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jawilson808
Helper I
Helper I

Variance between two measure values

Hi All, I am attempting to calculate the difference between multiple forecast scenarios. As an example, from the screeshot below, i am attempting to calculate the difference column based on the prior forecast.  

 

Forecast period   CY

Forecast ValueDifference
Forecast 1 28.2 
Forecast 2 12.9-15.3
Forecast 3 28.715.8

 

In attempting to calulate the difference I have used the following dax, but I receive the same "value".

Value - calculate(Value,selectedvalue(forecast)="forecast 1")

 

This returns only the forecast 2 value as the forecast 1 value returns as 0.

 

Any assistance would be greatly appreciated.

1 ACCEPTED SOLUTION
amitchandak
Super User
Super User

@jawilson808 , A new column

 

new column =
[Value] - Sumx(filter(Table,[forecast]="forecast 1"),[value])

 

 

/// or a new measure 
new measure =
sum(Table[Value]) - Maxx(filter(allselected(Table),[forecast]="forecast 1"),[value])



Power BI Features || Datamarts: https://youtu.be/8tskWsJTEpg || Field Parameters : https://youtu.be/lqF3Wa1FllE?t=70
Time Intelligence Decoded : https://youtu.be/aU2aKbnHuWs&t=145s
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3 REPLIES 3
jawilson808
Helper I
Helper I

@amitchandak A follow up question to the above. How can I critique this formula for when its drilled down on. As an example, when drilling down on Forecast 2 the difference is equal to it self. I believe this has something thing to do with the "maxx" used in the formula.

amitchandak
Super User
Super User

@jawilson808 , A new column

 

new column =
[Value] - Sumx(filter(Table,[forecast]="forecast 1"),[value])

 

 

/// or a new measure 
new measure =
sum(Table[Value]) - Maxx(filter(allselected(Table),[forecast]="forecast 1"),[value])



Power BI Features || Datamarts: https://youtu.be/8tskWsJTEpg || Field Parameters : https://youtu.be/lqF3Wa1FllE?t=70
Time Intelligence Decoded : https://youtu.be/aU2aKbnHuWs&t=145s
Did I answer your question? Mark my post as a solution! Appreciate your Kudos !! Proud to be a Super User! !!
Dashboard of My Blogs !! Connect on Linkedin !! Subscribe to my youtube Channel !!
Want To Learn Power BI | Beginners !! Advance Concepts !! Power BI For Tableau User !!

Thank you so much @amitchandak. Worked like a charm.

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