-83.01% is the change from 871 to 148
Calculation steps:
[( 148 - 871 ) ÷ 871] x 100 = -83.01%
Formula
Percentage change = [(148 - 871) / 871] x 100
Subtract the new number by the original number
148 - 871 = -723
-723 ÷ 871 = -0.8300803673938002
-0.8300803673938002 x 100 = -83.01%