Shrimp on a Treadmill Calculator/Understanding the algorithm

Basic formula

 * $$p$$2 $$ = [ (c * p$$1$$)/165 ] * 100 ;$$
 * $$p$$P $$ < = 30$$

Translation: Percentage is product of 100 times the quotient of the factor of the vileness category times the pricing bracket, divided by 165. Preferable percentage is at or below 30.