4457.14% is the change from 14 to 638
Calculation steps:
[( 638 - 14 ) ÷ 14] x 100 = 4457.14%
Formula
Percentage change = [(638 - 14) / 14] x 100
Subtract the new number by the original number
638 - 14 = 624
624 ÷ 14 = 44.57142857142857
44.57142857142857 x 100 = 4457.14%