571.08% is the change from 83 to 557
Calculation steps:
[( 557 - 83 ) ÷ 83] x 100 = 571.08%
Formula
Percentage change = [(557 - 83) / 83] x 100
Subtract the new number by the original number
557 - 83 = 474
474 ÷ 83 = 5.710843373493976
5.710843373493976 x 100 = 571.08%