Answer:
15.5% (or 16% rounded up)
Step-by-step explanation:
Subtract the sale price from the original price first. This is the amount that was taken off.
$45-$38 = $7.00
To get the percentage, divide this discount amount by the original price.
$7.00/$45 = .155
Multiply by 100
.155 x 100 = 15.5%