41.73% is the change from 393 to 557
Calculation steps:
[( 557 - 393 ) ÷ 393] x 100 = 41.73%
Formula
Percentage change = [(557 - 393) / 393] x 100
Subtract the new number by the original number
557 - 393 = 164
164 ÷ 393 = 0.4173027989821883
0.4173027989821883 x 100 = 41.73%