38.56% is the change from 402 to 557
Calculation steps:
[( 557 - 402 ) ÷ 402] x 100 = 38.56%
Formula
Percentage change = [(557 - 402) / 402] x 100
Subtract the new number by the original number
557 - 402 = 155
155 ÷ 402 = 0.3855721393034826
0.3855721393034826 x 100 = 38.56%