3.32% is the change from 331 to 342
Calculation steps:
[( 342 - 331 ) ÷ 331] x 100 = 3.32%
Formula
Percentage change = [(342 - 331) / 331] x 100
Subtract the new number by the original number
342 - 331 = 11
11 ÷ 331 = 0.03323262839879154
0.03323262839879154 x 100 = 3.32%