49.31% is the change from 509 to 760
Calculation steps:
[( 760 - 509 ) ÷ 509] x 100 = 49.31%
Formula
Percentage change = [(760 - 509) / 509] x 100
Subtract the new number by the original number
760 - 509 = 251
251 ÷ 509 = 0.4931237721021611
0.4931237721021611 x 100 = 49.31%