24.95% is the change from 509 to 636
Calculation steps:
[( 636 - 509 ) ÷ 509] x 100 = 24.95%
Formula
Percentage change = [(636 - 509) / 509] x 100
Subtract the new number by the original number
636 - 509 = 127
127 ÷ 509 = 0.24950884086444008
0.24950884086444008 x 100 = 24.95%