-32.72% is the change from 871 to 586
Calculation steps:
[( 586 - 871 ) ÷ 871] x 100 = -32.72%
Formula
Percentage change = [(586 - 871) / 871] x 100
Subtract the new number by the original number
586 - 871 = -285
-285 ÷ 871 = -0.32721010332950634
-0.32721010332950634 x 100 = -32.72%