Percentage change between last month and two months ago

[comacabana]

Hi all,

I'm having some issues with time intelligence formulas. I'm trying to find the percent difference between a value of last month and two months ago. My current model is connected live to sqlsas so I have no control over the tables. The date table doesn't have a hierarchy and I was told this was done purposefully due to complications which I cannot remember. I'm wondering if what I want to achieve can't be done because of this.

The current measure I have for the overall average of a datediff function is 

AVERAGEX(FactRS,DATEDIFF(FactRS[CaseCreatedDate], MAXX(RELATEDTABLE(FactSC), FactSc[CreatedDate]), HOUR))

How would I go about finding the percentage change? I've tried various versions of the below formula to see if I can even see the average datediff of two months ago with no success

AVERAGEX(FILTER(FactRs, MONTH(TODAY())-2), DATEDIFF(FRs[CaseCreatedDate], MAXX(RELATEDTABLE(FactSC), FactSc[CreatedDate]), HOUR))

Thank you  for your help!

[amitchandak]

@comacabana , make sure you have column without a timestamp to join with date table

Date = datevalue(FactRS[CaseCreatedDate])

Join the date with date of date table and then you can have measure like

MTD Sales = CALCULATE(SUM(Sales[Sales Amount]),DATESMTD('Date'[Date]))
last MTD Sales = CALCULATE(SUM(Sales[Sales Amount]),DATESMTD(dateadd('Date'[Date],-1,MONTH)))

2nd last MTD Sales = CALCULATE(SUM(Sales[Sales Amount]),DATESMTD(dateadd('Date'[Date],-2,MONTH)))
last month Sales = CALCULATE(SUM(Sales[Sales Amount]),previousmonth('Date'[Date]))

Month behind Sales = CALCULATE(SUM(Sales[Sales Amount]),dateadd('Date'[Date],-1,Month))

2Month behind Sales = CALCULATE(SUM(Sales[Sales Amount]),dateadd('Date'[Date],-2,Month))

based on today, no slicer of filter on date

This Month Today =
var _min = eomonth(today(),-1)+1
var _max = eomonth(today(),0)
return CALCULATE([Net], FILTER('Date','Date'[Date] >=_min && 'Date'[Date] <= _max))

Last Month Today =
var _min = eomonth(today(),-2)+1
var _max = eomonth(today(),-1)
return CALCULATE([Net], FILTER('Date','Date'[Date] >=_min && 'Date'[Date] <= _max))

2nd Last Month Today =
var _min = eomonth(today(),-3)+1
var _max = eomonth(today(),-2)
return CALCULATE([Net], FILTER('Date','Date'[Date] >=_min && 'Date'[Date] <= _max))

Time Intelligence, Part of learn Power BI https://youtu.be/cN8AO3_vmlY?t=27510
Time Intelligence, DATESMTD, DATESQTD, DATESYTD, Week On Week, Week Till Date, Custom Period on Period,
Custom Period till date: https://youtu.be/aU2aKbnHuWs&t=145s

Why Time Intelligence Fails - Powerbi 5 Savior Steps for TI :https://youtu.be/OBf0rjpp5Hw
https://amitchandak.medium.com/power-bi-5-key-points-to-make-time-intelligence-successful-bd52912a5b...
To get the best of the time intelligence function. Make sure you have a date calendar and it has been marked as the date in model view. Also, join it with the date column of your fact/s. Refer :radacad sqlbi My Video Series Appreciate your Kudos.