6320% is the change from 10 to 642
Calculation steps:
[( 642 - 10 ) ÷ 10] x 100 = 6320%
Formula
Percentage change = [(642 - 10) / 10] x 100
Subtract the new number by the original number
642 - 10 = 632
632 ÷ 10 = 63.2
63.2 x 100 = 6320%
Example