21.36% is the change from 501 to 608
Calculation steps:
[( 608 - 501 ) ÷ 501] x 100 = 21.36%
Formula
Percentage change = [(608 - 501) / 501] x 100
Subtract the new number by the original number
608 - 501 = 107
107 ÷ 501 = 0.21357285429141717
0.21357285429141717 x 100 = 21.36%