-90.02% is the change from 571 to 57
Calculation steps:
[( 57 - 571 ) ÷ 571] x 100 = -90.02%
Formula
Percentage change = [(57 - 571) / 571] x 100
Subtract the new number by the original number
57 - 571 = -514
-514 ÷ 571 = -0.9001751313485113
-0.9001751313485113 x 100 = -90.02%