56.73% is the change from 557 to 873
Calculation steps:
[( 873 - 557 ) ÷ 557] x 100 = 56.73%
Formula
Percentage change = [(873 - 557) / 557] x 100
Subtract the new number by the original number
873 - 557 = 316
316 ÷ 557 = 0.5673249551166966
0.5673249551166966 x 100 = 56.73%