15.94% is the change from 571 to 662
Calculation steps:
[( 662 - 571 ) ÷ 571] x 100 = 15.94%
Formula
Percentage change = [(662 - 571) / 571] x 100
Subtract the new number by the original number
662 - 571 = 91
91 ÷ 571 = 0.159369527145359
0.159369527145359 x 100 = 15.94%