Display movement over time in a matrix

Hello,

I am, so far unsuccessfully, trying to display the movement of group membership throughout time in a matrix.

My source is a table of 3 columns, "Stichtag" (Date of occurence), "Personennummer" (Customer ID) and "VR-Rating" (Group they belong to at the time), for which I created lookup tables named "Stichtag Aktuell", "Stichtag Vergleich", "Rating Aktuell" and "Rating Vergleich" with their respective distinct in values in them. The aim is to have a matrix that shows how many people moved groups (also from which to which) and how many stayed in their respective groups between two selected dates. Like this:

When I try it with this measure:

Rating =

VAR ST_Akt = SELECTEDVALUE(Stichtag_Aktuell[Stichtag])

VAR ST_Vgl = SELECTEDVALUE('Stichtag Vergleich'[Stichtag])

VAR VR_Akt = SELECTEDVALUE(Rating_Aktuell[VR-Rating])

VAR VR_Vgl = SELECTEDVALUE(Rating_Vergleich[VR-Rating])

 

RETURN CALCULATE(DISTINCTCOUNT(Rating_Bewegung[Personennummer]), FILTER(Rating_Bewegung, Rating_Bewegung[Stichtag] = ST_Akt && Rating_Bewegung[Stichtag] = ST_Vgl && Rating_Bewegung[VR-Rating] = VR_Akt && Rating_Bewegung[VR-Rating] = VR_Vgl))

it won't show any data because the filters cancel each other out. When I split it into two measures, calculating the values for each date seperately, it displays the values like this:

I know I would still have to calculate the actual movement as right now I just have the amount of members as my output but my first goal would be to get all the data in a matrix that has the same amount of columns as rows. What am I doing wrong? I am sure there is a simple solution to this. Is there another visual I could use? 

 

Thanks in advance