it is the output of the gebc library (GNU Exterior Ballistics Computer - Browse /GNU Ballistics - Source/Version 1.07 at SourceForge.net):
note that this is a 180 grain G7-bullet with ballistic coefficient 0.48 (cfr. https://www.ballisticstudies.com/Knowledgebase/.300+Winchester+Magnum.html)
for the 3130 muzzle velocity:

and for the 1100 muzzle velocity:
I am not married to any of these formulae or libraries.
when using another library (GNU Ballistics Library - Browse /GNU Ballistics Library at SourceForge.net), we get the following values for the subsonic round:
range: 50 yd vertical drop: 16.90 in, -32.18 MOA time of flight: 0.14 s windage: 0.07 in, 238.92 MOA velocity: 1098.36 fps (horizontal: 1098.31 fps, vertical: 8.97 fps)
range: 75 yd vertical drop: 23.37 in, -29.69 MOA time of flight: 0.21 s windage: 0.09 in, 293.35 MOA velocity: 1097.55 fps (horizontal: 1097.52 fps, vertical: 6.77 fps)
range: 100 yd vertical drop: 28.03 in, -26.72 MOA time of flight: 0.27 s windage: 0.11 in, 368.27 MOA velocity: 1096.75 fps (horizontal: 1096.73 fps, vertical: 4.57 fps)
range: 125 yd vertical drop: 30.88 in, -23.56 MOA time of flight: 0.34 s windage: 0.14 in, 463.30 MOA velocity: 1095.95 fps (horizontal: 1095.95 fps, vertical: 2.36 fps)
range: 150 yd vertical drop: 31.93 in, -20.31 MOA time of flight: 0.41 s windage: 0.17 in, 577.82 MOA velocity: 1095.17 fps (horizontal: 1095.16 fps, vertical: 0.16 fps)
range: 175 yd vertical drop: 31.17 in, -16.99 MOA time of flight: 0.48 s windage: 0.21 in, 710.95 MOA velocity: 1094.39 fps (horizontal: 1094.38 fps, vertical: -2.05 fps)
range: 200 yd vertical drop: 28.59 in, -13.64 MOA time of flight: 0.55 s windage: 0.26 in, 861.40 MOA velocity: 1093.61 fps (horizontal: 1093.60 fps, vertical: -4.25 fps)
range: 225 yd vertical drop: 24.19 in, -10.26 MOA time of flight: 0.62 s windage: 0.31 in, 1027.44 MOA velocity: 1092.85 fps (horizontal: 1092.83 fps, vertical: -6.46 fps)
range: 250 yd vertical drop: 17.97 in, -6.86 MOA time of flight: 0.69 s windage: 0.37 in, 1206.89 MOA velocity: 1092.09 fps (horizontal: 1092.05 fps, vertical: -8.66 fps)
range: 275 yd vertical drop: 9.93 in, -3.45 MOA time of flight: 0.75 s windage: 0.43 in, 1397.13 MOA velocity: 1091.34 fps (horizontal: 1091.28 fps, vertical: -10.87 fps)
range: 300 yd vertical drop: 0.07 in, -0.02 MOA time of flight: 0.82 s windage: 0.50 in, 1595.18 MOA velocity: 1090.60 fps (horizontal: 1090.51 fps, vertical: -13.07 fps)
range: 325 yd vertical drop: -11.62 in, 3.41 MOA time of flight: 0.89 s windage: 0.58 in, 1797.85 MOA velocity: 1089.86 fps (horizontal: 1089.75 fps, vertical: -15.28 fps)
range: 350 yd vertical drop: -25.14 in, 6.86 MOA time of flight: 0.96 s windage: 0.66 in, 2001.94 MOA velocity: 1089.13 fps (horizontal: 1088.98 fps, vertical: -17.48 fps)
range: 375 yd vertical drop: -40.49 in, 10.31 MOA time of flight: 1.03 s windage: 0.75 in, 2204.39 MOA velocity: 1088.40 fps (horizontal: 1088.22 fps, vertical: -19.69 fps)
range: 400 yd vertical drop: -57.67 in, 13.76 MOA time of flight: 1.10 s windage: 0.84 in, 2402.46 MOA velocity: 1087.69 fps (horizontal: 1087.46 fps, vertical: -21.89 fps)
range: 425 yd vertical drop: -76.69 in, 17.23 MOA time of flight: 1.17 s windage: 0.94 in, 2593.88 MOA velocity: 1086.98 fps (horizontal: 1086.71 fps, vertical: -24.10 fps)
range: 450 yd vertical drop: -97.55 in, 20.70 MOA time of flight: 1.24 s windage: 1.05 in, 2776.90 MOA velocity: 1086.28 fps (horizontal: 1085.95 fps, vertical: -26.30 fps)
range: 475 yd vertical drop: -120.25 in, 24.17 MOA time of flight: 1.31 s windage: 1.16 in, 2950.27 MOA velocity: 1085.58 fps (horizontal: 1085.20 fps, vertical: -28.51 fps)
range: 500 yd vertical drop: -144.80 in, 27.65 MOA time of flight: 1.37 s windage: 1.27 in, 3113.25 MOA velocity: 1084.89 fps (horizontal: 1084.45 fps, vertical: -30.71 fps)
range: 525 yd vertical drop: -171.19 in, 31.13 MOA time of flight: 1.44 s windage: 1.40 in, 3265.52 MOA velocity: 1084.21 fps (horizontal: 1083.71 fps, vertical: -32.92 fps)
range: 550 yd vertical drop: -199.42 in, 34.62 MOA time of flight: 1.51 s windage: 1.53 in, 3407.07 MOA velocity: 1083.53 fps (horizontal: 1082.96 fps, vertical: -35.12 fps)
range: 575 yd vertical drop: -229.51 in, 38.11 MOA time of flight: 1.58 s windage: 1.66 in, 3538.16 MOA velocity: 1082.87 fps (horizontal: 1082.22 fps, vertical: -37.33 fps)
range: 600 yd vertical drop: -261.45 in, 41.60 MOA time of flight: 1.65 s windage: 1.80 in, 3659.25 MOA velocity: 1082.20 fps (horizontal: 1081.48 fps, vertical: -39.53 fps)
range: 625 yd vertical drop: -295.24 in, 45.10 MOA time of flight: 1.72 s windage: 1.95 in, 3770.87 MOA velocity: 1081.55 fps (horizontal: 1080.74 fps, vertical: -41.74 fps)
range: 650 yd vertical drop: -330.89 in, 48.61 MOA time of flight: 1.79 s windage: 2.10 in, 3873.64 MOA velocity: 1080.90 fps (horizontal: 1080.00 fps, vertical: -43.94 fps)
range: 675 yd vertical drop: -368.39 in, 52.11 MOA time of flight: 1.86 s windage: 2.26 in, 3968.21 MOA velocity: 1080.26 fps (horizontal: 1079.27 fps, vertical: -46.15 fps)
range: 700 yd vertical drop: -408.03 in, 55.65 MOA time of flight: 1.93 s windage: 2.43 in, 4055.78 MOA velocity: 1079.62 fps (horizontal: 1078.53 fps, vertical: -48.37 fps)
range: 725 yd vertical drop: -449.27 in, 59.16 MOA time of flight: 2.00 s windage: 2.60 in, 4135.82 MOA velocity: 1079.00 fps (horizontal: 1077.81 fps, vertical: -50.57 fps)
range: 750 yd vertical drop: -492.37 in, 62.68 MOA time of flight: 2.07 s windage: 2.77 in, 4209.51 MOA velocity: 1078.37 fps (horizontal: 1077.08 fps, vertical: -52.78 fps)
range: 775 yd vertical drop: -537.33 in, 66.20 MOA time of flight: 2.14 s windage: 2.95 in, 4277.42 MOA velocity: 1077.76 fps (horizontal: 1076.35 fps, vertical: -54.98 fps)
range: 800 yd vertical drop: -584.17 in, 69.72 MOA time of flight: 2.21 s windage: 3.14 in, 4340.06 MOA velocity: 1077.15 fps (horizontal: 1075.63 fps, vertical: -57.19 fps)
range: 825 yd vertical drop: -633.20 in, 73.27 MOA time of flight: 2.28 s windage: 3.33 in, 4398.27 MOA velocity: 1076.55 fps (horizontal: 1074.90 fps, vertical: -59.40 fps)
range: 850 yd vertical drop: -683.79 in, 76.80 MOA time of flight: 2.35 s windage: 3.53 in, 4451.71 MOA velocity: 1075.95 fps (horizontal: 1074.18 fps, vertical: -61.61 fps)
range: 875 yd vertical drop: -736.25 in, 80.33 MOA time of flight: 2.42 s windage: 3.74 in, 4501.18 MOA velocity: 1075.37 fps (horizontal: 1073.47 fps, vertical: -63.81 fps)
range: 900 yd vertical drop: -790.58 in, 83.86 MOA time of flight: 2.49 s windage: 3.95 in, 4547.03 MOA velocity: 1074.78 fps (horizontal: 1072.75 fps, vertical: -66.02 fps)
range: 925 yd vertical drop: -847.17 in, 87.43 MOA time of flight: 2.56 s windage: 4.16 in, 4589.86 MOA velocity: 1074.21 fps (horizontal: 1072.03 fps, vertical: -68.24 fps)
range: 950 yd vertical drop: -905.26 in, 90.97 MOA time of flight: 2.63 s windage: 4.39 in, 4629.39 MOA velocity: 1073.64 fps (horizontal: 1071.32 fps, vertical: -70.44 fps)
range: 975 yd vertical drop: -965.24 in, 94.51 MOA time of flight: 2.70 s windage: 4.61 in, 4666.17 MOA velocity: 1073.08 fps (horizontal: 1070.61 fps, vertical: -72.64 fps)
range: 1000 yd vertical drop: -1027.51 in, 98.08 MOA time of flight: 2.77 s windage: 4.85 in, 4700.66 MOA velocity: 1072.52 fps (horizontal: 1069.90 fps, vertical: -74.86 fps)