21% is the change from 519 to 628
Calculation steps:
[( 628 - 519 ) ÷ 519] x 100 = 21%
Formula
Percentage change = [(628 - 519) / 519] x 100
Subtract the new number by the original number
628 - 519 = 109
109 ÷ 519 = 0.21001926782273603
0.21001926782273603 x 100 = 21%