What formula can be used to rank performers?

Question

Mathematics

There is data, the number of reviews, the overall rating (Politeness, Quality, Meeting deadlines), total orders completed, as well as for a more accurate indication of the number of orders for the category we need, and their overall rating,
I tried the Yandex formula to calculate the rating of stores, but there are not so many parameters)

Answer 1

this is from the area of ​​value judgments, enter the coefficient of significance of the parameter, multiply by the parameter rating, add the parameter points and divide by the number of parameters. Somewhere like that. It's a subjective assessment anyway.