64.29% is the change from 14 to 23
Calculation steps:
[( 23 - 14 ) ÷ 14] x 100 = 64.29%
Formula
Percentage change = [(23 - 14) / 14] x 100
Subtract the new number by the original number
23 - 14 = 9
9 ÷ 14 = 0.6428571428571429
0.6428571428571429 x 100 = 64.29%