-81.45% is the change from 512 to 95
Calculation steps:
[( 95 - 512 ) ÷ 512] x 100 = -81.45%
Formula
Percentage change = [(95 - 512) / 512] x 100
Subtract the new number by the original number
95 - 512 = -417
-417 ÷ 512 = -0.814453125
-0.814453125 x 100 = -81.45%