13.42% is the change from 298 to 338
Calculation steps:
[( 338 - 298 ) ÷ 298] x 100 = 13.42%
Formula
Percentage change = [(338 - 298) / 298] x 100
Subtract the new number by the original number
338 - 298 = 40
40 ÷ 298 = 0.1342281879194631
0.1342281879194631 x 100 = 13.42%