A easy way to calculate percentage of X
80% of 9509 is: 7607.2
The formula to calculate percentage of a number out of another number is: Percentage = (Original number/Another number) x 100
In the Shop, You are purchasing a product with price of $9509 and you are getting 80% of discount of this product.
You observe how much you gained
Quick example here:
Formula = Product price * Percentage Discount/ 100
Calculation = (80 * 9509) / 100
Answer = $7607.2 saved
In other words, when you are purchasing a product for $9509 with discount of 80%, you have pay $1901.8 and you will save $7607.2.