To find the percent decrease, you can use the formula:
Percent decrease = ((Original price - Sale price) / Original price) * 100
In this case:
Original price = $75
Sale price = $45
Percent decrease = (($75 - $45) / $75) * 100
= ($30 / $75) * 100
= 0.4 * 100
= 40%
So, the percent decrease is 40%.
