MDX query to write YOY Calculation In Excel - excel

My excel is connected to a cube. I want to Create Measure in Excel itself to calculate YOY calculation so that I can drag that in value section of Pivot table
Sample Data (Pivot table-Connected to Model)
Date[MonthYear], Product[ProductName] and Sales[TotalAmount]
I want to calculate YOY % calculation
(2022-12 Sales - 2021-12 Sales ) / (2021-12 Sales)
Above calculation I need to build directly in Excel using OLAP tool
I am not able to get MDX logic so that It can work in Excel
Need help to get the calculation works in Excel

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Therefore, in Power Query, I have set up a query that selects all of the sales data, which is then filtered based on two blank queries from the two named dates. This works well, but it loads these "blank ranges" into the excel sheet. Is it possible to stop this from happening, and only keep the two named date queries in Power Query?

Calculating Weekly Average in Excel 2019 using (DAX, Powerpivot, Powerquery)

I have data in my table
I want to calculate weekly average. Like this
I can acomplish this by excel formulas but I am not fan of formulas. I need DAX, powerquery or powerpivot solution to automate the task.
The attached workbook uses power query to get to your desired output.
Steps
Replicate the date column
Transform the replicated date column to start of week
Group Rows by StartofWeek; create three additional columns
Close & Load as query conneciton only
Create a second Table query by repeating steps 1,2
Merge queries, joining on StartOfWeek column
Expand the WeeklyAvg columns and show the averages that you desire
This could also be done differently via DAX. Please let me know if this answers your request or if you have additional comments/suggestions. Thanks!
https://1drv.ms/x/s!AmcGUE_vrclQ7yIG6ZGnErO4m2LT?e=flnqio

Excel Olap Pivot Table - Create calculated measure in MDX that shows difference to first filtered member taking into account current filters

I have built a PivotTable in Excel365 which is based on an OLAP Cube. In the Pivot Table, I filter the customers for which I want to show the price for the filtered products. The price is a measure created in the original OLAP Cube [msrPrice].
In the Excel Pivot Table, I'd like to show the price difference for each product from each of the filtered customers compared to the first filtered customer (in the screenshot marked in green).
I usually don't use MDX but have to use it in this case since the pivot table is based on an OLAP cube (and the usual calculated fields & items don't appear to work on pivot tables based on OLAP cubes).
I'd very much appreciate your help in guiding me on my Odyssee to the right MDX statement. Thanks!
Take a look at the example below
with member
measures.t
as
([Measures].[Internet Sales Amount]
/AXIS(0).item(0))*100
select
{
([Customer].[Education].[Education],{[Measures].[Internet Sales Amount],measures.t})
}
on columns,
{
[Customer].[Country].[Country]
}
on rows
from [Adventure Works]
Result

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Software: MS Excel 2016 Power Pivot
TOTALYTD acts as sum for each time period rather than a cumulative.
I have a separate Calendar table in Power Pivot and I created relationship with my main table.
Here is the formula
YTD_Matches:=TOTALYTD(sum(Complete_Detailed_Incidents[Matches]),'Calendar'[Date])
When I create Pivot, below is what it looks like. How to fix this?
If you have more than one year in your model, you will need to put year on rows also.
Otherwise the issue is something in your model (something you have not shown).
I was able to create a cumulative year to date using your numbers in an Excel 2016 workbook which you can download from this link.

Excel Power Pivot Time Averages

I am trying to calculate averages for time. I am using a set of data that allows me to use a pivot table to average a column formatted as "Custom h:mm:ss" or "0:13:44" within an Excel workbook.
When I import that same data into Power Pivot and attempt to do the average it tells me that the calculation cannot be completed because the data type is not supported. I noticed that the same data becomes formatted as "12/30/1899 12:13:44" in Power Pivot. Even when I change the format of the column in Power Pivot to "h:mm"ss" it will not let me do the calculation.
I am trying to figure out why the format is calculable in the Excel workbook and why it changes when I use Power Pivot. I want to be able to link to a database and create a pivot table to share. Any help would be greatly appreciated.
It might be being imported over as a text string. You can probably avoid this by converting the cell format to "number" before it is imported over.

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