12660% is the change from 5 to 638
Calculation steps:
[( 638 - 5 ) ÷ 5] x 100 = 12660%
Formula
Percentage change = [(638 - 5) / 5] x 100
Subtract the new number by the original number
638 - 5 = 633
633 ÷ 5 = 126.6
126.6 x 100 = 12660%
Example