44.38% is the change from 338 to 488
Calculation steps:
[( 488 - 338 ) ÷ 338] x 100 = 44.38%
Formula
Percentage change = [(488 - 338) / 338] x 100
Subtract the new number by the original number
488 - 338 = 150
150 ÷ 338 = 0.4437869822485207
0.4437869822485207 x 100 = 44.38%