Need help about dax to find diff

[Oran1234]

How can I write dax to find diff between above and below amount (93) likes in excel's picture in Power BI?

 

 

 

 

[Anonymous · Accepted solution]

Hi  @Oran1234,

I created some data:

Here are the steps you can follow：

1. Add Column – Index Column – From 1.

2. Create calculated column.

diff between above and below =
var _above=CALCULATE(SUM('Table'[production technology]),FILTER(ALL('Table'),'Table'[Index]=EARLIER('Table'[Index])))
var _blew=CALCULATE(SUM('Table'[production technology]),FILTER(ALL('Table'),'Table'[Index]=EARLIER('Table'[Index])-1))
return
IF(_blew=BLANK(),BLANK(),
_above-_blew)

3. Result:

If I have misunderstood your meaning, please provide your desired output and your pbix file without privacy information.

Best Regards,

Liu Yang

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

[Oran1234]

This way is work for the detial that do not in Group.

As I try the result will be below.

But when it group it doesn`t work.

I`m trying to find the way to fix this. If you have any idea, please let me know. 

[Oran1234]

Yes, It`s work. thank you for your help.

[Oran1234]

Thank you for your answer. I will make sample data and post it again.

[lbendlin]

Power BI doesn't know what "above" and "below" means.  You need to help it by providing an index column.  Then you can write the DAX you need.

Please provide sanitized sample data that fully covers your issue. If you paste the data into a table in your post or use one of the file services it will be easier to work with. Avoid posting screenshots of your source data if possible.

Please show the expected outcome based on the sample data you provided. Screenshots of the expected outcome are ok.

https://community.powerbi.com/t5/Desktop/How-to-Get-Your-Question-Answered-Quickly/m-p/1447523