57.45% is the change from 557 to 877
Calculation steps:
[( 877 - 557 ) ÷ 557] x 100 = 57.45%
Formula
Percentage change = [(877 - 557) / 557] x 100
Subtract the new number by the original number
877 - 557 = 320
320 ÷ 557 = 0.5745062836624776
0.5745062836624776 x 100 = 57.45%