11.59% is the change from 207 to 231
Calculation steps:
[( 231 - 207 ) ÷ 207] x 100 = 11.59%
Formula
Percentage change = [(231 - 207) / 207] x 100
Subtract the new number by the original number
231 - 207 = 24
24 ÷ 207 = 0.11594202898550725
0.11594202898550725 x 100 = 11.59%