-81.28% is the change from 860 to 161
Calculation steps:
[( 161 - 860 ) ÷ 860] x 100 = -81.28%
Formula
Percentage change = [(161 - 860) / 860] x 100
Subtract the new number by the original number
161 - 860 = -699
-699 ÷ 860 = -0.8127906976744186
-0.8127906976744186 x 100 = -81.28%