9.88% is the change from 344 to 378
Calculation steps:
[( 378 - 344 ) ÷ 344] x 100 = 9.88%
Formula
Percentage change = [(378 - 344) / 344] x 100
Subtract the new number by the original number
378 - 344 = 34
34 ÷ 344 = 0.09883720930232558
0.09883720930232558 x 100 = 9.88%