8.9% is the change from 281 to 306
Calculation steps:
[( 306 - 281 ) ÷ 281] x 100 = 8.9%
Formula
Percentage change = [(306 - 281) / 281] x 100
Subtract the new number by the original number
306 - 281 = 25
25 ÷ 281 = 0.08896797153024912
0.08896797153024912 x 100 = 8.9%