-80.86% is the change from 836 to 160
Calculation steps:
[( 160 - 836 ) ÷ 836] x 100 = -80.86%
Formula
Percentage change = [(160 - 836) / 836] x 100
Subtract the new number by the original number
160 - 836 = -676
-676 ÷ 836 = -0.8086124401913876
-0.8086124401913876 x 100 = -80.86%