28.05% is the change from 435 to 557
Calculation steps:
[( 557 - 435 ) ÷ 435] x 100 = 28.05%
Formula
Percentage change = [(557 - 435) / 435] x 100
Subtract the new number by the original number
557 - 435 = 122
122 ÷ 435 = 0.28045977011494255
0.28045977011494255 x 100 = 28.05%