9.45% is the change from 307 to 336
Calculation steps:
[( 336 - 307 ) ÷ 307] x 100 = 9.45%
Formula
Percentage change = [(336 - 307) / 307] x 100
Subtract the new number by the original number
336 - 307 = 29
29 ÷ 307 = 0.09446254071661238
0.09446254071661238 x 100 = 9.45%