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Helper III

## Apply a ratio to the sales of last year.

Good ay to all,

Given the following measure used to compute the sales for last year:

Same Period Last Year = CALCULATE(
[Sales_Value],
SAMEPERIODLASTYEAR(
Date_DB[Date]))
And given a table called Target_tbl with two columns:

 month ratio 1 100% 2 100% 3 100% 4 100% 5 100% 6 25% 7 25% 8 35% 9 10 11 12

Question, how to modify the measure to compute a targeted sales for each month based on the above?

Hence January this year is 100% or Jan last year, August this year is 35% of August last year.

2 ACCEPTED SOLUTIONS

Accepted Solutions
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Super User IV

## Re: Apply a ratio to the sales of last year.

@Cyrilbrd , Calculate like

calculate(Max(Target[ratio])) *CALCULATE(
[Sales_Value],
SAMEPERIODLASTYEAR(
Date_DB[Date]))

Make sure both target and sales tables joined with the same date table. In case of the target table does not have date create date using month year.

First, few mins of this video has that -https://youtu.be/yPQ9UV37LOU

Proud to be a Super User!

Highlighted
Microsoft

## Re: Apply a ratio to the sales of last year.

Hi @Cyrilbrd ,

You can set "2017" as a variable, and the template of the formula is similar to this.
In the measure, there is the concept of context, max (target)_ TBL [ratio]) represents the content of the current line.

Best Regards,
Liang
If this post helps, then please consider Accept it as the solution to help the other members find it more quickly.

4 REPLIES 4
Highlighted
Super User IV

## Re: Apply a ratio to the sales of last year.

@Cyrilbrd , Calculate like

calculate(Max(Target[ratio])) *CALCULATE(
[Sales_Value],
SAMEPERIODLASTYEAR(
Date_DB[Date]))

Make sure both target and sales tables joined with the same date table. In case of the target table does not have date create date using month year.

First, few mins of this video has that -https://youtu.be/yPQ9UV37LOU

Proud to be a Super User!

Highlighted
Microsoft

## Re: Apply a ratio to the sales of last year.

Hi @Cyrilbrd ,

Try to create a measure like this:

``````this year sales =
CALCULATE (
[Total Sales LY] * MAX ( Target_tbl[ratio] ),
FILTER (
Dates,
Dates[Year] = 2017
&& MONTH ( Dates[Date] ) = MAX ( Target_tbl[month] )
)
)``````

Sample .pbix

Best Regards,
Liang
If this post helps, then please consider Accept it as the solution to help the other members find it more quickly.

Highlighted
Helper III

## Re: Apply a ratio to the sales of last year.

Hi Liang, in your solution the year is fixed to 2017 instead of being dynamically selected by the user via a series of visualization, any way to modify that, or shall i just use the first proposed solution (that works perfectly by the way).

What I do not uderstand is the use of MAX to call for the appropriate ratio, may I ask what is the reasoning behind? MAX is used in both proposed solutions.

Highlighted
Microsoft

## Re: Apply a ratio to the sales of last year.

Hi @Cyrilbrd ,

You can set "2017" as a variable, and the template of the formula is similar to this.
In the measure, there is the concept of context, max (target)_ TBL [ratio]) represents the content of the current line.

Best Regards,
Liang
If this post helps, then please consider Accept it as the solution to help the other members find it more quickly.

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