User blog comment:QuantumFeint/The Skirmishing ADC Experiment/@comment-24795478-20150607085804/@comment-24558666-20150607135639

20% of what great amount? If you do 2000 damage to tank, reduced to 800, it will reduce damage by 160. If you do 2000 raw damage to adc, reduced to 1800, damage will be reduced by 360. 360 > 160. Come on man. Math. Its not that hard.