Mary is about to pay for five items at the grocery store. The prices of the items are $7.99$, $4.99$, $2.99$, $1.99$, and $0.99$. Mary will pay with a twenty-dollar bill. What is the percentage of the $20.00$ that she will receive in change, rounded to the nearest integer?

Let's think step by step and output the final answer within \boxed{}.
user