14.34% is the change from 509 to 582
Calculation steps:
[( 582 - 509 ) ÷ 509] x 100 = 14.34%
Formula
Percentage change = [(582 - 509) / 509] x 100
Subtract the new number by the original number
582 - 509 = 73
73 ÷ 509 = 0.14341846758349705
0.14341846758349705 x 100 = 14.34%