Juan paid 70.16 % of the original price of the jacket.
Step-by-step explanation:
Step 1:
Given details, Original Selling Price of the jacket = 85.50
New Selling Price of the jacket = 59.99
Step 2:
To determine what percentage of the old price is the new price, we have to use percentage calculation.

Step 3:
Substitute in the formula, the given values
x = 
= 
= 
Therefore, percentage paid is 70.16%