341.74% is the change from 115 to 508
Calculation steps:
[( 508 - 115 ) ÷ 115] x 100 = 341.74%
Formula
Percentage change = [(508 - 115) / 115] x 100
Subtract the new number by the original number
508 - 115 = 393
393 ÷ 115 = 3.417391304347826
3.417391304347826 x 100 = 341.74%