4.31% is the change from 534 to 557
Calculation steps:
[( 557 - 534 ) ÷ 534] x 100 = 4.31%
Formula
Percentage change = [(557 - 534) / 534] x 100
Subtract the new number by the original number
557 - 534 = 23
23 ÷ 534 = 0.04307116104868914
0.04307116104868914 x 100 = 4.31%