15% is the change from 260 to 299
Calculation steps:
[( 299 - 260 ) ÷ 260] x 100 = 15%
Formula
Percentage change = [(299 - 260) / 260] x 100
Subtract the new number by the original number
299 - 260 = 39
39 ÷ 260 = 0.15
0.15 x 100 = 15%
Example