78.4% is the change from 338 to 603
Calculation steps:
[( 603 - 338 ) ÷ 338] x 100 = 78.4%
Formula
Percentage change = [(603 - 338) / 338] x 100
Subtract the new number by the original number
603 - 338 = 265
265 ÷ 338 = 0.7840236686390533
0.7840236686390533 x 100 = 78.4%