402.91% is the change from 103 to 518
Calculation steps:
[( 518 - 103 ) ÷ 103] x 100 = 402.91%
Formula
Percentage change = [(518 - 103) / 103] x 100
Subtract the new number by the original number
518 - 103 = 415
415 ÷ 103 = 4.029126213592233
4.029126213592233 x 100 = 402.91%