-7.81% is the change from 871 to 803
Calculation steps:
[( 803 - 871 ) ÷ 871] x 100 = -7.81%
Formula
Percentage change = [(803 - 871) / 871] x 100
Subtract the new number by the original number
803 - 871 = -68
-68 ÷ 871 = -0.07807118254879448
-0.07807118254879448 x 100 = -7.81%