6.13% is the change from 538 to 571
Calculation steps:
[( 571 - 538 ) ÷ 538] x 100 = 6.13%
Formula
Percentage change = [(571 - 538) / 538] x 100
Subtract the new number by the original number
571 - 538 = 33
33 ÷ 538 = 0.06133828996282528
0.06133828996282528 x 100 = 6.13%