5.1% is the change from 294 to 309
Calculation steps:
[( 309 - 294 ) ÷ 294] x 100 = 5.1%
Formula
Percentage change = [(309 - 294) / 294] x 100
Subtract the new number by the original number
309 - 294 = 15
15 ÷ 294 = 0.05102040816326531
0.05102040816326531 x 100 = 5.1%