318.55% is the change from 124 to 519
Calculation steps:
[( 519 - 124 ) ÷ 124] x 100 = 318.55%
Formula
Percentage change = [(519 - 124) / 124] x 100
Subtract the new number by the original number
519 - 124 = 395
395 ÷ 124 = 3.185483870967742
3.185483870967742 x 100 = 318.55%