5.09% is the change from 530 to 557
Calculation steps:
[( 557 - 530 ) ÷ 530] x 100 = 5.09%
Formula
Percentage change = [(557 - 530) / 530] x 100
Subtract the new number by the original number
557 - 530 = 27
27 ÷ 530 = 0.0509433962264151
0.0509433962264151 x 100 = 5.09%