-9.87% is the change from 871 to 785
Calculation steps:
[( 785 - 871 ) ÷ 871] x 100 = -9.87%
Formula
Percentage change = [(785 - 871) / 871] x 100
Subtract the new number by the original number
785 - 871 = -86
-86 ÷ 871 = -0.09873708381171067
-0.09873708381171067 x 100 = -9.87%