17.34% is the change from 519 to 609
Calculation steps:
[( 609 - 519 ) ÷ 519] x 100 = 17.34%
Formula
Percentage change = [(609 - 519) / 519] x 100
Subtract the new number by the original number
609 - 519 = 90
90 ÷ 519 = 0.17341040462427745
0.17341040462427745 x 100 = 17.34%