6740% is the change from 10 to 684
Calculation steps:
[( 684 - 10 ) ÷ 10] x 100 = 6740%
Formula
Percentage change = [(684 - 10) / 10] x 100
Subtract the new number by the original number
684 - 10 = 674
674 ÷ 10 = 67.4
67.4 x 100 = 6740%
Example