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powerbiuser711's avatar
powerbiuser711
New Member
6 years ago
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Calculate Difference Between 2 Values Same Column - Based on Date Filters

Hi all,

 

Relatively new Power BI user here.  I have one column that has account $ values and another column that has dates.  When I bring the data into a matrix table I can filter the columns by particular dates and have rows by sales rep, but now I would like to calculate the difference in $ amounts and calculate the % difference between any 2 dates that I select.  I know how to do this in Excel, but am completely unsure how to approach this in Power BI.

 

For example,

 

            03/26/20           04/02/20           Difference         % Difference

John    $1,987,123        $2,345,961               ?                    ?

Steve   $3,987,123         $5,345,961              ?                    ?

 

 

Thanks for your help!

 

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  • amitchandak's avatar
    amitchandak
    6 years ago

    powerbiuser711 

    Assumed you have joined with a date dimension and want to slicer min and max date. For static change the variable(Var) values

    difference =
var _max = maxx('Date','Date'[Date])
var _min = Minx('Date','Date'[Date])

return
CALCULATE(SUM(Table[values ]), FILTER(all('Date'), 'Date'[Date] =_max)) -CALCULATE(SUM(Table[values ]), FILTER(all('Date'), 'Date'[Date] =_min))



difference =
var _max = maxx('Date','Date'[Date])
var _min = Minx('Date','Date'[Date])

return
divide(SUM(Table[values ]), FILTER(all('Date'), 'Date'[Date] =_max)) ,CALCULATE(SUM(Table[values ]), FILTER(all('Date'), 'Date'[Date] =_min))) -1

     

    In case you need two slicer, refer to my blog :https://community.powerbi.com/t5/Community-Blog/Comparing-Data-Across-Date-Ranges/ba-p/823601

     

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