9.62% is the change from 260 to 285
Calculation steps:
[( 285 - 260 ) ÷ 260] x 100 = 9.62%
Formula
Percentage change = [(285 - 260) / 260] x 100
Subtract the new number by the original number
285 - 260 = 25
25 ÷ 260 = 0.09615384615384616
0.09615384615384616 x 100 = 9.62%