50.87% is the change from 519 to 783
Calculation steps:
[( 783 - 519 ) ÷ 519] x 100 = 50.87%
Formula
Percentage change = [(783 - 519) / 519] x 100
Subtract the new number by the original number
783 - 519 = 264
264 ÷ 519 = 0.5086705202312138
0.5086705202312138 x 100 = 50.87%