6750% is the change from 10 to 685
Calculation steps:
[( 685 - 10 ) ÷ 10] x 100 = 6750%
Formula
Percentage change = [(685 - 10) / 10] x 100
Subtract the new number by the original number
685 - 10 = 675
675 ÷ 10 = 67.5
67.5 x 100 = 6750%
Example