29.53% is the change from 430 to 557
Calculation steps:
[( 557 - 430 ) ÷ 430] x 100 = 29.53%
Formula
Percentage change = [(557 - 430) / 430] x 100
Subtract the new number by the original number
557 - 430 = 127
127 ÷ 430 = 0.29534883720930233
0.29534883720930233 x 100 = 29.53%