-98.97% is the change from 871 to 9
Calculation steps:
[( 9 - 871 ) ÷ 871] x 100 = -98.97%
Formula
Percentage change = [(9 - 871) / 871] x 100
Subtract the new number by the original number
9 - 871 = -862
-862 ÷ 871 = -0.9896670493685419
-0.9896670493685419 x 100 = -98.97%