13.29% is the change from 557 to 631
Calculation steps:
[( 631 - 557 ) ÷ 557] x 100 = 13.29%
Formula
Percentage change = [(631 - 557) / 557] x 100
Subtract the new number by the original number
631 - 557 = 74
74 ÷ 557 = 0.13285457809694792
0.13285457809694792 x 100 = 13.29%