14.29% is the change from 231 to 264
Calculation steps:
[( 264 - 231 ) ÷ 231] x 100 = 14.29%
Formula
Percentage change = [(264 - 231) / 231] x 100
Subtract the new number by the original number
264 - 231 = 33
33 ÷ 231 = 0.14285714285714285
0.14285714285714285 x 100 = 14.29%