6.65% is the change from 571 to 609
Calculation steps:
[( 609 - 571 ) ÷ 571] x 100 = 6.65%
Formula
Percentage change = [(609 - 571) / 571] x 100
Subtract the new number by the original number
609 - 571 = 38
38 ÷ 571 = 0.06654991243432574
0.06654991243432574 x 100 = 6.65%