23.58% is the change from 509 to 629
Calculation steps:
[( 629 - 509 ) ÷ 509] x 100 = 23.58%
Formula
Percentage change = [(629 - 509) / 509] x 100
Subtract the new number by the original number
629 - 509 = 120
120 ÷ 509 = 0.2357563850687623
0.2357563850687623 x 100 = 23.58%