-82.89% is the change from 871 to 149
Calculation steps:
[( 149 - 871 ) ÷ 871] x 100 = -82.89%
Formula
Percentage change = [(149 - 871) / 871] x 100
Subtract the new number by the original number
149 - 871 = -722
-722 ÷ 871 = -0.8289322617680827
-0.8289322617680827 x 100 = -82.89%