-87.2% is the change from 836 to 107
Calculation steps:
[( 107 - 836 ) ÷ 836] x 100 = -87.2%
Formula
Percentage change = [(107 - 836) / 836] x 100
Subtract the new number by the original number
107 - 836 = -729
-729 ÷ 836 = -0.8720095693779905
-0.8720095693779905 x 100 = -87.2%