250% is the change from 4 to 14
Calculation steps:
[( 14 - 4 ) ÷ 4] x 100 = 250%
Formula
Percentage change = [(14 - 4) / 4] x 100
Subtract the new number by the original number
14 - 4 = 10
10 ÷ 4 = 2.5
2.5 x 100 = 250%
Example