Comparing Rolling Years

[Morgan2000]

Hi!

I have two measures to work out firstly PAX rolling year 

PAX Rolling Year = 
VAR ReferenceDate = MAX(A[Period])
VAR PreviousDates =
    DATESINPERIOD(
        'Previous Date'[Date],
        ReferenceDate,
        -1,
        YEAR
    )
VAR Result =
    CALCULATE(
       [Passengers Sum A],
        REMOVEFILTERS('Calendar'),
        KEEPFILTERS(PreviousDates),
        USERELATIONSHIP('Calendar'[Date], 'Previous Date'[Date])
    )
RETURN
    Result

And also one that works out 'Comparison Rolling Year' is to go in line with two slicers I have. If the slicer select has a maximum month date that is 6 (June) for example it will still give 12 months of data (rolling 12 months part) and comparison is the same  however based of a different slicer.

Comparison PAX Rolling Year = 
VAR ReferenceYEAR = YEAR(MAX('Comparison Calendar'[Date]))
VAR ReferenceMonth = MONTH(MAX(A[Period]))
--VAR ReferenceDate = DATE(ReferenceYEAR, ReferenceMonth, 1)
VAR ReferenceDate =
    IF(
        MONTH(MAX('Comparison Calendar'[Date])) = 12,
        DATE(YEAR(MAX('Comparison Calendar'[Date])) + 1, 1, 1),
        DATE(YEAR(MAX('Comparison Calendar'[Date])), MONTH(MAX('Comparison Calendar'[Date])) + 1, 1)
    )
VAR PreviousDates =
    DATESINPERIOD(
        'Previous Date'[Date],
        ReferenceDate,
        -1,
        YEAR
    )
VAR Result =
    CALCULATE(
       [Comparison Pax A],
        REMOVEFILTERS('Comparison Calendar'),
        KEEPFILTERS(PreviousDates),
        USERELATIONSHIP('Comparison Calendar'[Date], 'Previous Date'[Date])
    )
RETURN
    Result 

These are working perfectly in some ways, 

It is giving the results I am expecting and works for adding however, I am trying to do a percentage difference between the two. This works when there is no year context however when adding the year it doesn't work. I want year context to be able to put it on a graph with month along the bottom and the months to be in the correct order.

What I need assistance with is how can I get the % difference to comparison to show on the same line as the pax rolling year.

so in the example above I want all the July figures to show on the 2022 line. If I could get the comparison pax to that level the % would also update.

Normally I would use dateadd but with the rolling year I am getting confused. Any help would be great 😄

[lbendlin]

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