23.75% is the change from 501 to 620
Calculation steps:
[( 620 - 501 ) ÷ 501] x 100 = 23.75%
Formula
Percentage change = [(620 - 501) / 501] x 100
Subtract the new number by the original number
620 - 501 = 119
119 ÷ 501 = 0.2375249500998004
0.2375249500998004 x 100 = 23.75%