40.66% is the change from 396 to 557
Calculation steps:
[( 557 - 396 ) ÷ 396] x 100 = 40.66%
Formula
Percentage change = [(557 - 396) / 396] x 100
Subtract the new number by the original number
557 - 396 = 161
161 ÷ 396 = 0.4065656565656566
0.4065656565656566 x 100 = 40.66%