3.24% is the change from 556 to 574
Calculation steps:
[( 574 - 556 ) ÷ 556] x 100 = 3.24%
Formula
Percentage change = [(574 - 556) / 556] x 100
Subtract the new number by the original number
574 - 556 = 18
18 ÷ 556 = 0.03237410071942446
0.03237410071942446 x 100 = 3.24%