To find the mark down percentage from a sweater that was marked from $25 to $19 we would first;
find the difference between the initial price and the new price.
25-19= 6
Next, you will divide the difference between the prices; which is $6 and the original price.
6/25= 0.24
We multiply that by 100.
0.24*100= 24%
Therefore, the percentage mark down would be 24%.