-88.84% is the change from 636 to 71
Calculation steps:
[( 71 - 636 ) ÷ 636] x 100 = -88.84%
Formula
Percentage change = [(71 - 636) / 636] x 100
Subtract the new number by the original number
71 - 636 = -565
-565 ÷ 636 = -0.8883647798742138
-0.8883647798742138 x 100 = -88.84%