Cannibalization

uhm...what is cannibalization?
I mean, I know what is cannibalism, even in business context, but in your case, what is cannibalization?

Try sankey

https://powerbi.microsoft.com/en-us/blog/visual-awesomeness-unlocked-sankey-diagram/

Sunbrust is another one

And Chord chart

https://appsource.microsoft.com/en-us/product/power-bi-visuals/WA104380761?tab=Overview

Sample data and expected output would assist greatly. Please see this post regarding How to Get Your Question Answered Quickly: https://community.powerbi.com/t5/Community-Blog/How-to-Get-Your-Question-Answered-Quickly/ba-p/38490