54.14% is the change from 519 to 800
Calculation steps:
[( 800 - 519 ) ÷ 519] x 100 = 54.14%
Formula
Percentage change = [(800 - 519) / 519] x 100
Subtract the new number by the original number
800 - 519 = 281
281 ÷ 519 = 0.5414258188824663
0.5414258188824663 x 100 = 54.14%