121.6% is the change from 338 to 749
Calculation steps:
[( 749 - 338 ) ÷ 338] x 100 = 121.6%
Formula
Percentage change = [(749 - 338) / 338] x 100
Subtract the new number by the original number
749 - 338 = 411
411 ÷ 338 = 1.2159763313609468
1.2159763313609468 x 100 = 121.6%