How to subtract multiple stage KPI of a funnel with many categories using DAX in Power BI Desktop ?

[abhishekvaidhav]

Hi Need the DAX formula to calculate the diff in count from various stages;

sample data is below

Data is at day level,country and brand level with multiple entries.

We have multiple categories like date, country and brand
We have different stages like A,B,C,D
So I need the ouput like B = total conv from A to B => 187 - 129 =58

                                        C = total conv from B to C => 129-91 = 38

                                       D  = total conv from C to D =>91-50 = 41

So filters are applied on categories such as Date,Country and Brand.

[v-yueyunzh-msft · Accepted solution]

Hi , @abhishekvaidhav 

Thanks for your sample data and your end result!

Here are the steps you can refer to :
(1)My test data is the same as yours.

(2)We can create a dimension table first as the row headers:

And we do not need to create any relationship between two tables.

(2) We can create two measures like this:

Measure = SWITCH( MAX('Dim'[Row]),
"B",CALCULATE( SUM('Table'[KPIValues]) , 'Table'[KPI]="A")-CALCULATE( SUM('Table'[KPIValues]) , 'Table'[KPI]="B"),
"C",CALCULATE( SUM('Table'[KPIValues]) , 'Table'[KPI]="B")-CALCULATE( SUM('Table'[KPIValues]) , 'Table'[KPI]="C"),
"D",CALCULATE( SUM('Table'[KPIValues]) , 'Table'[KPI]="C")-CALCULATE( SUM('Table'[KPIValues]) , 'Table'[KPI]="D"))

Measure 2(Right total) = SUMX( VALUES('Dim'[Row]) , [Measure])

(3)Then we can put the fields on the visual and you can choose which measure can meet your need , the result is as follows:

Thank you for your time and sharing, and thank you for your support and understanding of PowerBI! 

Best Regards,

Aniya Zhang

If this post helps, then please consider Accept it as the solution to help the other members find it more quickly