Changing the reference data in a table with a slicer

Hello all,

I have a table like the one above. The delta Mass is now calculated using the VW Beetle as a reference.

Now I want to select the reference Car by picking it from a list (e.g. from a slicer). 

So if I pick the Q7 for example it should look like this:

How is that done in Power BI?

Thanks for helping.

Alex