Unable to complete %Formula

Hi AJ,

Sorry I didn't explain clear, I meant to use measure [Attrition] to replace SUM ( Attrition[Attrition] ) in this formula.

Table = 
SUMMARIZE (
    'Calendar',
    'Calendar'[Month],
    "attrition",
        CALCULATE (
            [Attrition],
            'Calendar'[Month] = MAX ( 'Calendar'[Month] )
        ),
    "hc", CALCULATE ( SUM ( 'HC'[HC] ), 'Calendar'[Month] = MAX ( 'Calendar'[Month] ) ),
    "monthly attrition",
        DIVIDE (
            CALCULATE (
                [Attrition],
                'Calendar'[Month] = MAX ( 'Calendar'[Month] )
            ),
            CALCULATE ( SUM ( 'HC'[HC] ), 'Calendar'[Month] = MAX ( 'Calendar'[Month] ) )
        )
)

If this does not work, please consider providing a PBIX file that does not contain private data.

How to provide sample data in the Power BI Forum

Best Regards,
Gao
Community Support Team

If there is any post helps, then please consider Accept it as the solution to help the other members find it more quickly. If I misunderstand your needs or you still have problems on it, please feel free to let us know. Thanks a lot!

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