Reports > Sales Reports > Conversion (page title "Conversion Report", Sales Conversion permission) shows customer and subscription movement in the date range:

• New Registered Users – accounts created in the range. View more lists Id., Name, Email, Phone, last Checkout and Creation Date.
• With a subscription module enabled: Active Subscriptions (subscriptions that have a scheduled or open delivery inside the range; View more shows Id., Name, Email, Phone, Plan, Group), Paused Subscriptions (paused within the range and still paused; the list includes Paused At) and Canceled Subscriptions (cancelled within the range; the list includes the cancel Reason and Cancelled At).

Churn Rate and Average Revenue Per User tiles exist in the code but are switched off in the current version.