385.58% is the change from 104 to 505
Calculation steps:
[( 505 - 104 ) ÷ 104] x 100 = 385.58%
Formula
Percentage change = [(505 - 104) / 104] x 100
Subtract the new number by the original number
505 - 104 = 401
401 ÷ 104 = 3.855769230769231
3.855769230769231 x 100 = 385.58%