200% is the change from 14 to 42
Calculation steps:
[( 42 - 14 ) ÷ 14] x 100 = 200%
Formula
Percentage change = [(42 - 14) / 14] x 100
Subtract the new number by the original number
42 - 14 = 28
28 ÷ 14 = 2
2 x 100 = 200%
Example