53.25% is the change from 338 to 518
Calculation steps:
[( 518 - 338 ) ÷ 338] x 100 = 53.25%
Formula
Percentage change = [(518 - 338) / 338] x 100
Subtract the new number by the original number
518 - 338 = 180
180 ÷ 338 = 0.5325443786982249
0.5325443786982249 x 100 = 53.25%