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This guide gives an overview of cost control and includes a link to a YouTube channel that is very helpful for saving money

The word “popularity” can be used to remember the definition of this term. In other words, the popularity index is how “popular” is an item on the menu or the percentage of total guests choosing a given menu item from a list of alternatives.

**Here’s a Similar Popularity Index:**

- The most effective way to understand and become more comfortable with Cost Control is to complete the practice on paper
__AND__on Excel. - Look for patterns and keywords with in terms that tell you how to calculate the given piece of information. For example, the word “per” means division. You want to divide the word in front of “per” and divide it by the word after the word “per.” Sales per Guest means sales divided by guest.
- Lastly, understand the purpose of each data point. This can help you remember how to calculate the data or value. For example, revenue forecast represents a future amount or value, therefore, we used data that predicts the future like an increase estimate. Also, the word “forecast” in revenue forecast gives us a hint that it is telling what the future might be.

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**Popularity Index:**

**Predicting Number of Item to Be Sold:**

**Examples by hand:**

**Examples in Excel:**