-88.4% is the change from 871 to 101
Calculation steps:
[( 101 - 871 ) ÷ 871] x 100 = -88.4%
Formula
Percentage change = [(101 - 871) / 871] x 100
Subtract the new number by the original number
101 - 871 = -770
-770 ÷ 871 = -0.8840413318025259
-0.8840413318025259 x 100 = -88.4%