383.5% is the change from 103 to 498
Calculation steps:
[( 498 - 103 ) ÷ 103] x 100 = 383.5%
Formula
Percentage change = [(498 - 103) / 103] x 100
Subtract the new number by the original number
498 - 103 = 395
395 ÷ 103 = 3.8349514563106797
3.8349514563106797 x 100 = 383.5%