-91.17% is the change from 872 to 77
Calculation steps:
[( 77 - 872 ) ÷ 872] x 100 = -91.17%
Formula
Percentage change = [(77 - 872) / 872] x 100
Subtract the new number by the original number
77 - 872 = -795
-795 ÷ 872 = -0.911697247706422
-0.911697247706422 x 100 = -91.17%