-91.63% is the change from 812 to 68
Calculation steps:
[( 68 - 812 ) ÷ 812] x 100 = -91.63%
Formula
Percentage change = [(68 - 812) / 812] x 100
Subtract the new number by the original number
68 - 812 = -744
-744 ÷ 812 = -0.916256157635468
-0.916256157635468 x 100 = -91.63%