-87.89% is the change from 512 to 62
Calculation steps:
[( 62 - 512 ) ÷ 512] x 100 = -87.89%
Formula
Percentage change = [(62 - 512) / 512] x 100
Subtract the new number by the original number
62 - 512 = -450
-450 ÷ 512 = -0.87890625
-0.87890625 x 100 = -87.89%