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MarcUrdang
Post Patron
Post Patron

Variance and variance %

Please advise on how to create a variance and a variance % as per below:

I have created two calculations which compute a measure for a period of time. This year to date and last year to date:

 

1. This YTD:   CALCULATE(SUM('Table1'[measures]),DATESYTD((Date'])))

2. Last YTD:   CALCULATE(SUM('Table1'[measures]),DATEADD(FILTER(DATESYTD('Table1'[Date]),'Table1'[Date]<TODAY()),-1,YEAR))

 

I have a table whih show various cities and the above two calcs show the values per city.

For example if CityA had 10 for last YTD and 15 for this YTD then the Variance must show 5 and the % difference would be 50%

 

Thank you

Marc

1 ACCEPTED SOLUTION
v-gizhi-msft
Community Support
Community Support

Hi,

 

See my attached pbix file.

Hope this can help.

 

Best Regards,

Giotto

View solution in original post

8 REPLIES 8
v-gizhi-msft
Community Support
Community Support

Hi,

 

See my attached pbix file.

Hope this can help.

 

Best Regards,

Giotto

Greg_Deckler
Super User
Super User

Variance = [This YTD] - [Last YTD]

Variance% = ([This YTD] - [Last YTD]) / [Last YTD]

 



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Hi Greg .. I see you already posted back on this ... I originally tried this .... but get the same number for each as the example shows below:

 

hank you so much for the reply .. on the variance amount (this year - last year) .. the value doesn't reflect correctly. The variance amount is the same as the actual amount.. it shows as follows:

 

Country        2019     var          2020    var

Spain            100      100          150     150

 

it shoud show

 

Country        2019     var          2020    var

Spain            100      0             150      50

Well, those are your measures @MarcUrdang ! 🙂

 

It is difficult to say, but you are using time "intelligence" so that's a crap shoot in my opinion. You are using them a little weird, you might try SAMEPERIODLASTYEAR. I assume you have a separate Date table.

 

You could see if my Time Intelligence the Hard Way provides a different way of accomplishing what you are going for. https://community.powerbi.com/t5/Quick-Measures-Gallery/Time-Intelligence-quot-The-Hard-Way-quot-TIT...

 

If all that fails sample data, please see this post regarding How to Get Your Question Answered Quickly: https://community.powerbi.com/t5/Community-Blog/How-to-Get-Your-Question-Answered-Quickly/ba-p/38490

The most important parts are:
1. Sample data as text, use the table tool in the editing bar
2. Expected output from sample data
3. Explanation in words of how to get from 1. to 2.



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Instead of a Kudo, please vote for this idea
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DAX is easy, CALCULATE makes DAX hard...

I was originally using the itelligence option (quick measures) which actually worked .. but changed the calcs manually shown in my original post ... it might be 'weird' but as a fairly new user I'm just trying to find my way.

 

Will try your idea and await other replies which might also help show me the way.

 

thanks for your help thus far

Marc

@MarcUrdang - Just remember, sample data just has to represent your actual data enough to recreate the problem.



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@ me in replies or I'll lose your thread!!!
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sevenhills
Super User
Super User

Variance = [This YTD] - [Last YTD]

 

Variance % = DIVIDE ( ([This YTD] - [Last YTD]), [Last YTD], 0)

 

- SV

Thank you so much for the reply .. on the variance amount (this year - last year) .. the value doesn't reflect correctly. The variance amount is the same as the actual amount.. it shows as follows:

 

Country        2019     var          2020    var

Spain            100      100          150     150

 

it shoud show

 

Country        2019     var          2020    var

Spain            100      0             150      50

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