Percentage Discount given an Original Price of $45 and a Sale Price of $36.90

Discount Rate = 1 –  
Sale Price/Original Price

Discount Rate = 1 –  
36.90/45

Discount Rate = 1 – 0.82
Discount Rate = 0.18
0.18 Converted to a Percent: 0.18 = 18%
Percentage Discount given an Original Price of $45 and a Sale Price of $36.90 = 18%
Note: Reduction in Price = $45 – $36.90 = $8.10

The solution above and other related solutions were provided by the Percentage Discount Application