58% is the change from 519 to 820
Calculation steps:
[( 820 - 519 ) ÷ 519] x 100 = 58%
Formula
Percentage change = [(820 - 519) / 519] x 100
Subtract the new number by the original number
820 - 519 = 301
301 ÷ 519 = 0.5799614643545279
0.5799614643545279 x 100 = 58%