-53.73% is the change from 871 to 403
Calculation steps:
[( 403 - 871 ) ÷ 871] x 100 = -53.73%
Formula
Percentage change = [(403 - 871) / 871] x 100
Subtract the new number by the original number
403 - 871 = -468
-468 ÷ 871 = -0.5373134328358209
-0.5373134328358209 x 100 = -53.73%