3.2% is the change from 344 to 355
Calculation steps:
[( 355 - 344 ) ÷ 344] x 100 = 3.2%
Formula
Percentage change = [(355 - 344) / 344] x 100
Subtract the new number by the original number
355 - 344 = 11
11 ÷ 344 = 0.03197674418604651
0.03197674418604651 x 100 = 3.2%