percent of change

To find the discount, simply multiply the original selling price by the %discount:

ie:  39 x ³³/₁₀₀= $12.87

So, the discount is $12.87.

 

To find the sale price, simply minus the discount from the original selling price:

ie: 39- 12. 87=  26.13

So, the sale price is $26.13