When is profitable to move to Power BI Premium?

When is profitable to move to Power BI? How many Pro users before I should upgrade? Lets go through power bi premium pricing to figure out when you should upgrade.

Watch the tutorial:

Links to the mentioned resources

And here are the links to the resources shown in the video:
https://powerbi.microsoft.com/en-us/p…
https://powerbi.microsoft.com/en-us/c…