9.29% is the change from 312 to 341
Calculation steps:
[( 341 - 312 ) ÷ 312] x 100 = 9.29%
Formula
Percentage change = [(341 - 312) / 312] x 100
Subtract the new number by the original number
341 - 312 = 29
29 ÷ 312 = 0.09294871794871795
0.09294871794871795 x 100 = 9.29%