3.26% is the change from 276 to 285
Calculation steps:
[( 285 - 276 ) ÷ 276] x 100 = 3.26%
Formula
Percentage change = [(285 - 276) / 276] x 100
Subtract the new number by the original number
285 - 276 = 9
9 ÷ 276 = 0.03260869565217391
0.03260869565217391 x 100 = 3.26%