-85.61% is the change from 820 to 118
Calculation steps:
[( 118 - 820 ) ÷ 820] x 100 = -85.61%
Formula
Percentage change = [(118 - 820) / 820] x 100
Subtract the new number by the original number
118 - 820 = -702
-702 ÷ 820 = -0.8560975609756097
-0.8560975609756097 x 100 = -85.61%