6.3% is the change from 524 to 557
Calculation steps:
[( 557 - 524 ) ÷ 524] x 100 = 6.3%
Formula
Percentage change = [(557 - 524) / 524] x 100
Subtract the new number by the original number
557 - 524 = 33
33 ÷ 524 = 0.06297709923664122
0.06297709923664122 x 100 = 6.3%