3.53% is the change from 340 to 352
Calculation steps:
[( 352 - 340 ) ÷ 340] x 100 = 3.53%
Formula
Percentage change = [(352 - 340) / 340] x 100
Subtract the new number by the original number
352 - 340 = 12
12 ÷ 340 = 0.03529411764705882
0.03529411764705882 x 100 = 3.53%