234.19% is the change from 155 to 518
Calculation steps:
[( 518 - 155 ) ÷ 155] x 100 = 234.19%
Formula
Percentage change = [(518 - 155) / 155] x 100
Subtract the new number by the original number
518 - 155 = 363
363 ÷ 155 = 2.3419354838709676
2.3419354838709676 x 100 = 234.19%