6280% is the change from 10 to 638
Calculation steps:
[( 638 - 10 ) ÷ 10] x 100 = 6280%
Formula
Percentage change = [(638 - 10) / 10] x 100
Subtract the new number by the original number
638 - 10 = 628
628 ÷ 10 = 62.8
62.8 x 100 = 6280%
Example