7.58% is the change from 501 to 539
Calculation steps:
[( 539 - 501 ) ÷ 501] x 100 = 7.58%
Formula
Percentage change = [(539 - 501) / 501] x 100
Subtract the new number by the original number
539 - 501 = 38
38 ÷ 501 = 0.07584830339321358
0.07584830339321358 x 100 = 7.58%