338.26% is the change from 115 to 504
Calculation steps:
[( 504 - 115 ) ÷ 115] x 100 = 338.26%
Formula
Percentage change = [(504 - 115) / 115] x 100
Subtract the new number by the original number
504 - 115 = 389
389 ÷ 115 = 3.382608695652174
3.382608695652174 x 100 = 338.26%