13.04% is the change from 230 to 260
Calculation steps:
[( 260 - 230 ) ÷ 230] x 100 = 13.04%
Formula
Percentage change = [(260 - 230) / 230] x 100
Subtract the new number by the original number
260 - 230 = 30
30 ÷ 230 = 0.13043478260869565
0.13043478260869565 x 100 = 13.04%