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## Calculating values in preview year

Hello Dears

My question can be very simple but very common and I'm sure someone had same problem.

I have a table with following fields

1-country

2-year (text field) 4 positions Ex: 2016

3-sales

I need to get the value of sales from 2015 and compare with 2014 (preview year) in a new column.

Example, for USA 2015 the year value is 25851 but I need compare it with 2014... 20394....

In the final, I need to express the difference in percentage in 2015... Diff = (25851-20394) / 20394 = 27% of increase.

Please, some guru to help me. Thanks

2 REPLIES 2
Super User

Hey @mattosed

It is very common to  YoY growth %,  YoY comparison etc. I'm sure there are tons of posts on this. One thing you need to do this kind of comparison, a continuous date table and it will drive rest of the calculations

Here is quick link which will help http://www.daxpatterns.com/time-patterns/

If you need further help, send me private message with your email and I will send you pbix file as a reference. Cheers!

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Regular Visitor

Thank you a lot... I will check and let you know if my test worked...

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