31.37% is the change from 424 to 557
Calculation steps:
[( 557 - 424 ) ÷ 424] x 100 = 31.37%
Formula
Percentage change = [(557 - 424) / 424] x 100
Subtract the new number by the original number
557 - 424 = 133
133 ÷ 424 = 0.3136792452830189
0.3136792452830189 x 100 = 31.37%