10% is the change from 260 to 286
Calculation steps:
[( 286 - 260 ) ÷ 260] x 100 = 10%
Formula
Percentage change = [(286 - 260) / 260] x 100
Subtract the new number by the original number
286 - 260 = 26
26 ÷ 260 = 0.1
0.1 x 100 = 10%
Example