-98.85% is the change from 871 to 10
Calculation steps:
[( 10 - 871 ) ÷ 871] x 100 = -98.85%
Formula
Percentage change = [(10 - 871) / 871] x 100
Subtract the new number by the original number
10 - 871 = -861
-861 ÷ 871 = -0.9885189437428243
-0.9885189437428243 x 100 = -98.85%