55.3% is the change from 519 to 806
Calculation steps:
[( 806 - 519 ) ÷ 519] x 100 = 55.3%
Formula
Percentage change = [(806 - 519) / 519] x 100
Subtract the new number by the original number
806 - 519 = 287
287 ÷ 519 = 0.5529865125240848
0.5529865125240848 x 100 = 55.3%