-81.63% is the change from 871 to 160
Calculation steps:
[( 160 - 871 ) ÷ 871] x 100 = -81.63%
Formula
Percentage change = [(160 - 871) / 871] x 100
Subtract the new number by the original number
160 - 871 = -711
-711 ÷ 871 = -0.8163030998851895
-0.8163030998851895 x 100 = -81.63%