18.22% is the change from 439 to 519
Calculation steps:
[( 519 - 439 ) ÷ 439] x 100 = 18.22%
Formula
Percentage change = [(519 - 439) / 439] x 100
Subtract the new number by the original number
519 - 439 = 80
80 ÷ 439 = 0.18223234624145787
0.18223234624145787 x 100 = 18.22%