38.89% is the change from 18 to 25
Calculation steps:
[( 25 - 18 ) ÷ 18] x 100 = 38.89%
Formula
Percentage change = [(25 - 18) / 18] x 100
Subtract the new number by the original number
25 - 18 = 7
7 ÷ 18 = 0.3888888888888889
0.3888888888888889 x 100 = 38.89%