13.97% is the change from 501 to 571
Calculation steps:
[( 571 - 501 ) ÷ 501] x 100 = 13.97%
Formula
Percentage change = [(571 - 501) / 501] x 100
Subtract the new number by the original number
571 - 501 = 70
70 ÷ 501 = 0.13972055888223553
0.13972055888223553 x 100 = 13.97%