-86.1% is the change from 633 to 88
Calculation steps:
[( 88 - 633 ) ÷ 633] x 100 = -86.1%
Formula
Percentage change = [(88 - 633) / 633] x 100
Subtract the new number by the original number
88 - 633 = -545
-545 ÷ 633 = -0.8609794628751974
-0.8609794628751974 x 100 = -86.1%