How to visualize and calculate: Impact of a feature

How do you visualize the impact of a feature? Here's the mental model that I use most of the time for a SaaS driven model B2C / B2B

There are usually 3 main channels to be considered (of course exceptions apply but I don't know how to simplify it better)

A feature has an effect on:

- Acquisition

- Retention (Churn reduction)

- Top of Funnel

I described the in…