Hi @Yrstruly
This Dax is for a calculate table that return the store with high decrease sales from previous month.
MoM =
TOPN (
1,
SELECTCOLUMNS (
SUMMARIZECOLUMNS (
'Raw data'[store_name],
dim_date[Year],
dim_date[Month],
"Sales", [tSales],
"PM Sales", CALCULATE ( [tSales], DATEADD ( dim_date[Date], -1, MONTH ) )
),
"Store", [store_name],
"Sales", [Sales],
"PM Sales", [PM Sales],
"Delta", [PM Sales] - [Sales],
"Delta %", DIVIDE ( [Sales], [PM Sales] ) - 1
),
[Delta]
)
FastFood_Sales-JB.pbix (2.3 MB)
Note: Please use @Melissa Date Table