4.2% is the change from 548 to 571
Calculation steps:
[( 571 - 548 ) ÷ 548] x 100 = 4.2%
Formula
Percentage change = [(571 - 548) / 548] x 100
Subtract the new number by the original number
571 - 548 = 23
23 ÷ 548 = 0.041970802919708027
0.041970802919708027 x 100 = 4.2%