-89.16% is the change from 812 to 88
Calculation steps:
[( 88 - 812 ) ÷ 812] x 100 = -89.16%
Formula
Percentage change = [(88 - 812) / 812] x 100
Subtract the new number by the original number
88 - 812 = -724
-724 ÷ 812 = -0.8916256157635468
-0.8916256157635468 x 100 = -89.16%