-32.95% is the change from 871 to 584
Calculation steps:
[( 584 - 871 ) ÷ 871] x 100 = -32.95%
Formula
Percentage change = [(584 - 871) / 871] x 100
Subtract the new number by the original number
584 - 871 = -287
-287 ÷ 871 = -0.32950631458094143
-0.32950631458094143 x 100 = -32.95%