3.02% is the change from 331 to 341
Calculation steps:
[( 341 - 331 ) ÷ 331] x 100 = 3.02%
Formula
Percentage change = [(341 - 331) / 331] x 100
Subtract the new number by the original number
341 - 331 = 10
10 ÷ 331 = 0.030211480362537766
0.030211480362537766 x 100 = 3.02%