-85.8% is the change from 831 to 118
Calculation steps:
[( 118 - 831 ) ÷ 831] x 100 = -85.8%
Formula
Percentage change = [(118 - 831) / 831] x 100
Subtract the new number by the original number
118 - 831 = -713
-713 ÷ 831 = -0.8580024067388689
-0.8580024067388689 x 100 = -85.8%