23.16% is the change from 285 to 351
Calculation steps:
[( 351 - 285 ) ÷ 285] x 100 = 23.16%
Formula
Percentage change = [(351 - 285) / 285] x 100
Subtract the new number by the original number
351 - 285 = 66
66 ÷ 285 = 0.23157894736842105
0.23157894736842105 x 100 = 23.16%
Example