A useful DAX formula for calculating new work won from project variation

Below calculate newly won project work sourced from project variation, it checks a few 

things:

1. restrict the calculations to projects exists from previous month;
2. the formula can also calculate accumulated nww spanned multipel month


NWW Var :=
SUMX (
    VALUES ( DIM_Time[Calendar Month] ),
    SUMX (
        VALUES ( fact_result[project_code] ),
        IF (
            CALCULATE ( COUNTROWS ( fact_result ) ) > 0
                && CALCULATE (
                    COUNTROWS ( fact_result ),
                    PARALLELPERIOD ( DIM_Time[Date], -1, MONTH )
                ) > 0,
            CALCULATE ( SUM ( fact_result[EAC_Fees] ) )
                - CALCULATE (
                    SUM ( fact_result[EAC_Fees] ),
                    PARALLELPERIOD ( DIM_Time[Date], -1, MONTH )
                ),
            0
        )
    )
)

similary you can also derive the formula for calcualting new work won from new projects...

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