26.33% is the change from 338 to 427
Calculation steps:
[( 427 - 338 ) ÷ 338] x 100 = 26.33%
Formula
Percentage change = [(427 - 338) / 338] x 100
Subtract the new number by the original number
427 - 338 = 89
89 ÷ 338 = 0.26331360946745563
0.26331360946745563 x 100 = 26.33%