12.8% is the change from 289 to 326
Calculation steps:
[( 326 - 289 ) ÷ 289] x 100 = 12.8%
Formula
Percentage change = [(326 - 289) / 289] x 100
Subtract the new number by the original number
326 - 289 = 37
37 ÷ 289 = 0.12802768166089964
0.12802768166089964 x 100 = 12.8%