3000% is the change from 14 to 434
Calculation steps:
[( 434 - 14 ) ÷ 14] x 100 = 3000%
Formula
Percentage change = [(434 - 14) / 14] x 100
Subtract the new number by the original number
434 - 14 = 420
420 ÷ 14 = 30
30 x 100 = 3000%
Example