Wanted to follow up with you, @Rafael Arias Salas (Accenture) , as you are correct that you will use the PowerBI Power Query to connect with the Dynamics CRM OData Feed, to import the data into PowerBI. Please see: Dynamics CRM Online in Power Query
A more updated approach is to use the newer template apps. Please see: What are Power BI template apps? Where there are prebuilt dashboards that can be created in PowerBI from Dynamics CRM data.
With that information provided, you need to use PowerBI to access the data source and build a view that matches you desired metrics. Connect with Power Query to the OData Feed to import data or use an available template app from the marketplace to connect and query the Dynamics CRM data source to build views.