Matrix like pivot table: calculated average value to all levels isn't correct. Why?

[Anonymous]

I have a semi complex data model which is returned from a rest service. There are Task which have a Status, to each Status is assigned a completition in percent. Tasks have a N to M relationship with Objectives.

Data Model

The goal is to calculate the completition of an Objective based on the completition of the related Tasks.

I used a Matrix which should mime an Excel pivot table but for some reasons it doesn't.

First I added the Objectives and Tasks to the rows of the Percent of the Progress to the values, but it didn't work because Power BI didn't know the context. So I added a calculated column (Percent) to the Tasks and added this new "Percent" to the values of the matrix but it still doesn't work correctly.

Matrix

The "Percent" is correct in the Tasks but as soon as it moves one level up to the "LinkedIssue" table it changes to 0.24, no matter which Tasks are related. The calculated complentition percent of the Objectives is always 0.24 which is most probaly the average percent off all the Tasks.

So, how can be a pivot table simulated in power BI with a matrix and have all the "upper levels" with the correct "summarized" values?

[lbendlin]

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