12680% is the change from 5 to 639
Calculation steps:
[( 639 - 5 ) ÷ 5] x 100 = 12680%
Formula
Percentage change = [(639 - 5) / 5] x 100
Subtract the new number by the original number
639 - 5 = 634
634 ÷ 5 = 126.8
126.8 x 100 = 12680%
Example