21.43% is the change from 14 to 17
Calculation steps:
[( 17 - 14 ) ÷ 14] x 100 = 21.43%
Formula
Percentage change = [(17 - 14) / 14] x 100
Subtract the new number by the original number
17 - 14 = 3
3 ÷ 14 = 0.21428571428571427
0.21428571428571427 x 100 = 21.43%