-79.1% is the change from 871 to 182
Calculation steps:
[( 182 - 871 ) ÷ 871] x 100 = -79.1%
Formula
Percentage change = [(182 - 871) / 871] x 100
Subtract the new number by the original number
182 - 871 = -689
-689 ÷ 871 = -0.7910447761194029
-0.7910447761194029 x 100 = -79.1%