Percentage Discount given an Original Price of $65 and a Sale Price of $26

Discount Rate = 1 –  
Discount Rate = 1 – 0.4
Discount Rate = 0.6
0.6 Converted to a Percent: 0.6 = 60%
Percentage Discount given an Original Price of $65 and a Sale Price of $26 = 60%
Note: Reduction in Price = $65 – $26 = $39