8.51% is the change from 282 to 306
Calculation steps:
[( 306 - 282 ) ÷ 282] x 100 = 8.51%
Formula
Percentage change = [(306 - 282) / 282] x 100
Subtract the new number by the original number
306 - 282 = 24
24 ÷ 282 = 0.0851063829787234
0.0851063829787234 x 100 = 8.51%