4.01% is the change from 549 to 571
Calculation steps:
[( 571 - 549 ) ÷ 549] x 100 = 4.01%
Formula
Percentage change = [(571 - 549) / 549] x 100
Subtract the new number by the original number
571 - 549 = 22
22 ÷ 549 = 0.04007285974499089
0.04007285974499089 x 100 = 4.01%