30.83% is the change from 519 to 679
Calculation steps:
[( 679 - 519 ) ÷ 519] x 100 = 30.83%
Formula
Percentage change = [(679 - 519) / 519] x 100
Subtract the new number by the original number
679 - 519 = 160
160 ÷ 519 = 0.30828516377649323
0.30828516377649323 x 100 = 30.83%