Answer:
The percent decrease in the price of shirt is 27.78%
Explanation:
The percent decrease is the decrease in the price of a product or good.
Given
Original Price = $45
Decreased price = $32.50
Percentage decrease is calculated by using the formula

And the decrease is calculated as:

So,

Putting the values in the formula for percent decrease

Rounding off to nearest hundredth: 27.78%
Hence
The percent decrease in the price of shirt is 27.78%