-20.14% is the change from 571 to 456
Calculation steps:
[( 456 - 571 ) ÷ 571] x 100 = -20.14%
Formula
Percentage change = [(456 - 571) / 571] x 100
Subtract the new number by the original number
456 - 571 = -115
-115 ÷ 571 = -0.20140105078809106
-0.20140105078809106 x 100 = -20.14%