3.64% is the change from 330 to 342
Calculation steps:
[( 342 - 330 ) ÷ 330] x 100 = 3.64%
Formula
Percentage change = [(342 - 330) / 330] x 100
Subtract the new number by the original number
342 - 330 = 12
12 ÷ 330 = 0.03636363636363636
0.03636363636363636 x 100 = 3.64%