-49.74% is the change from 571 to 287
Calculation steps:
[( 287 - 571 ) ÷ 571] x 100 = -49.74%
Formula
Percentage change = [(287 - 571) / 571] x 100
Subtract the new number by the original number
287 - 571 = -284
-284 ÷ 571 = -0.4973730297723292
-0.4973730297723292 x 100 = -49.74%