-9.81% is the change from 571 to 515
Calculation steps:
[( 515 - 571 ) ÷ 571] x 100 = -9.81%
Formula
Percentage change = [(515 - 571) / 571] x 100
Subtract the new number by the original number
515 - 571 = -56
-56 ÷ 571 = -0.09807355516637478
-0.09807355516637478 x 100 = -9.81%