How to show average score in a Star Rating field?

My form has a number of Star ratings 8  

I want to calculate the average star rating (each rating /8) and display as on overall rating in stars .. I can get it to calculate a percentage but not display as starts .. 

Please advice

I would like to apologize for any inconvenience. What you are trying to accomplish is not possible with the Star Rating field. Since the Star Rating field doesn't have the capability to acquire a value coming from another field.

I can submit a feature request on your behalf, however, I cannot guarantee that it would be implemented soon.