-19.96% is the change from 571 to 457
Calculation steps:
[( 457 - 571 ) ÷ 571] x 100 = -19.96%
Formula
Percentage change = [(457 - 571) / 571] x 100
Subtract the new number by the original number
457 - 571 = -114
-114 ÷ 571 = -0.19964973730297722
-0.19964973730297722 x 100 = -19.96%