-81.06% is the change from 871 to 165
Calculation steps:
[( 165 - 871 ) ÷ 871] x 100 = -81.06%
Formula
Percentage change = [(165 - 871) / 871] x 100
Subtract the new number by the original number
165 - 871 = -706
-706 ÷ 871 = -0.8105625717566016
-0.8105625717566016 x 100 = -81.06%