22.59% is the change from 509 to 624
Calculation steps:
[( 624 - 509 ) ÷ 509] x 100 = 22.59%
Formula
Percentage change = [(624 - 509) / 509] x 100
Subtract the new number by the original number
624 - 509 = 115
115 ÷ 509 = 0.22593320235756384
0.22593320235756384 x 100 = 22.59%