20.76% is the change from 501 to 605
Calculation steps:
[( 605 - 501 ) ÷ 501] x 100 = 20.76%
Formula
Percentage change = [(605 - 501) / 501] x 100
Subtract the new number by the original number
605 - 501 = 104
104 ÷ 501 = 0.20758483033932135
0.20758483033932135 x 100 = 20.76%