3.49% is the change from 344 to 356
Calculation steps:
[( 356 - 344 ) ÷ 344] x 100 = 3.49%
Formula
Percentage change = [(356 - 344) / 344] x 100
Subtract the new number by the original number
356 - 344 = 12
12 ÷ 344 = 0.03488372093023256
0.03488372093023256 x 100 = 3.49%