-83.24% is the change from 871 to 146
Calculation steps:
[( 146 - 871 ) ÷ 871] x 100 = -83.24%
Formula
Percentage change = [(146 - 871) / 871] x 100
Subtract the new number by the original number
146 - 871 = -725
-725 ÷ 871 = -0.8323765786452354
-0.8323765786452354 x 100 = -83.24%