-86.16% is the change from 636 to 88
Calculation steps:
[( 88 - 636 ) ÷ 636] x 100 = -86.16%
Formula
Percentage change = [(88 - 636) / 636] x 100
Subtract the new number by the original number
88 - 636 = -548
-548 ÷ 636 = -0.8616352201257862
-0.8616352201257862 x 100 = -86.16%