388.46% is the change from 104 to 508
Calculation steps:
[( 508 - 104 ) ÷ 104] x 100 = 388.46%
Formula
Percentage change = [(508 - 104) / 104] x 100
Subtract the new number by the original number
508 - 104 = 404
404 ÷ 104 = 3.8846153846153846
3.8846153846153846 x 100 = 388.46%