24.75% is the change from 509 to 635
Calculation steps:
[( 635 - 509 ) ÷ 509] x 100 = 24.75%
Formula
Percentage change = [(635 - 509) / 509] x 100
Subtract the new number by the original number
635 - 509 = 126
126 ÷ 509 = 0.2475442043222004
0.2475442043222004 x 100 = 24.75%