Hi @AChapin,
For the first report, you’d leverage the funnel report type in HubSpot: Create custom (legacy) funnel reports
These reports show you the conversion rate from lifecycle stage to lifecycle stage. By default, HubSpot marks a contact with an associated deal as lifecycle stage “Opportunity”. Thus you’d create a lifecycle stage funnel report that shows the conversion rate from “Lead” to “Opportunity”, for example, or if you have changed the default, you’d replace these stages accordingly.
For the second report, there isn’t any out of the box functionality, unfortunately. There aren’t any report filters which you let filter the count of associated activities relative to dates on the contact or deal object. To accomplish this, you’d have to start maintaining a custom number property on the contact object.
For example, when a contact reaches the lifecycle stage “Qualified lead”, you could use a workflow to (one-time) copy the value of Number of sales activities into a custom property Number of sales activities at the time of converting to qualified lead. You could do the same for other stages. By doing this, you’re effectively “freezing” the activity counter which would otherwise go on and on. This report would not work historically, only going forward.
Let me know if you have any follow-up questions!