58.19% is the change from 519 to 821
Calculation steps:
[( 821 - 519 ) ÷ 519] x 100 = 58.19%
Formula
Percentage change = [(821 - 519) / 519] x 100
Subtract the new number by the original number
821 - 519 = 302
302 ÷ 519 = 0.581888246628131
0.581888246628131 x 100 = 58.19%