300% is the change from 14 to 56
Calculation steps:
[( 56 - 14 ) ÷ 14] x 100 = 300%
Formula
Percentage change = [(56 - 14) / 14] x 100
Subtract the new number by the original number
56 - 14 = 42
42 ÷ 14 = 3
3 x 100 = 300%
Example