21.16% is the change from 501 to 607
Calculation steps:
[( 607 - 501 ) ÷ 501] x 100 = 21.16%
Formula
Percentage change = [(607 - 501) / 501] x 100
Subtract the new number by the original number
607 - 501 = 106
106 ÷ 501 = 0.21157684630738524
0.21157684630738524 x 100 = 21.16%