The price for organic peanuts at Wegman’s is $4.69 while the price for regular peanuts is $5.69. 

To calculate the Organic Price Premium percent, the following formula is used: Org. Price Prem (%) = 100% x (Org. Price – Non-org price) / (Non-org price)

OPP% = 100% x (5.69 – 4.69) / 5.69

OPP% = .18

Original Price Premium: 18%