399.04% is the change from 104 to 519
Calculation steps:
[( 519 - 104 ) ÷ 104] x 100 = 399.04%
Formula
Percentage change = [(519 - 104) / 104] x 100
Subtract the new number by the original number
519 - 104 = 415
415 ÷ 104 = 3.9903846153846154
3.9903846153846154 x 100 = 399.04%