33.99% is the change from 509 to 682
Calculation steps:
[( 682 - 509 ) ÷ 509] x 100 = 33.99%
Formula
Percentage change = [(682 - 509) / 509] x 100
Subtract the new number by the original number
682 - 509 = 173
173 ÷ 509 = 0.33988212180746563
0.33988212180746563 x 100 = 33.99%