21.39% is the change from 519 to 630
Calculation steps:
[( 630 - 519 ) ÷ 519] x 100 = 21.39%
Formula
Percentage change = [(630 - 519) / 519] x 100
Subtract the new number by the original number
630 - 519 = 111
111 ÷ 519 = 0.2138728323699422
0.2138728323699422 x 100 = 21.39%