Cumulative Total of Same Weeks Last Year

[weraste]

Hi,
I'm making calculations over weeks.
I have calculated the cumulative sum over selected period of time.
I want now to calculate the cumulative sum of SWLY (Same Week Last Year)
What I did does not work. Can you please help me.

Thanks a lot.
Eraste

D:\Eraste\Perso\Formation\Power BI\Marco Rousso\Cumul Sum SWLY 

[harshnathani]

Hi @weraste ,

https://community.powerbi.com/t5/Community-Blog/Week-Is-Not-So-Weak-WTD-Last-WTD-and-This-Week-vs-La...

Have a look at this article.

Regards,

Harsh Nathani