9.65% is the change from 311 to 341
Calculation steps:
[( 341 - 311 ) ÷ 311] x 100 = 9.65%
Formula
Percentage change = [(341 - 311) / 311] x 100
Subtract the new number by the original number
341 - 311 = 30
30 ÷ 311 = 0.09646302250803858
0.09646302250803858 x 100 = 9.65%