55.49% is the change from 519 to 807
Calculation steps:
[( 807 - 519 ) ÷ 519] x 100 = 55.49%
Formula
Percentage change = [(807 - 519) / 519] x 100
Subtract the new number by the original number
807 - 519 = 288
288 ÷ 519 = 0.5549132947976878
0.5549132947976878 x 100 = 55.49%