Verified Answer :

What’s
9 discount to 4

let’s analyze the given data. 9 is the 100% and 4 is the discount. Thus we have
5 left.

=> 9 – 4 = 5

To get the answer, let’s divide the discount amount to the total amount which is
4 and 9

=> 4 / 9 = 0.44

Since we already have the decimal value, let’s multiply this by 100%

=> 0.44 *100% = 44%

Thus the discount is 44%. And what is remaining is:

=> 100% - 44% = 66%