34.02% is the change from 338 to 453
Calculation steps:
[( 453 - 338 ) ÷ 338] x 100 = 34.02%
Formula
Percentage change = [(453 - 338) / 338] x 100
Subtract the new number by the original number
453 - 338 = 115
115 ÷ 338 = 0.34023668639053256
0.34023668639053256 x 100 = 34.02%