-81.24% is the change from 858 to 161
Calculation steps:
[( 161 - 858 ) ÷ 858] x 100 = -81.24%
Formula
Percentage change = [(161 - 858) / 858] x 100
Subtract the new number by the original number
161 - 858 = -697
-697 ÷ 858 = -0.8123543123543123
-0.8123543123543123 x 100 = -81.24%