4.08% is the change from 294 to 306
Calculation steps:
[( 306 - 294 ) ÷ 294] x 100 = 4.08%
Formula
Percentage change = [(306 - 294) / 294] x 100
Subtract the new number by the original number
306 - 294 = 12
12 ÷ 294 = 0.04081632653061224
0.04081632653061224 x 100 = 4.08%