Power Bİ customer retention

[hutupis]

Hi everyone,

I start to learn Power BI nearly. I wacht your video (

) and try to make same report in my file.

I make same calculation but some colculation are not working.

For example “New customers” – “Returning Customers”

Could you help me for solve the problem.

My file is attaced for bellow link.

İndir Sales

Dosyayı indir Sales

dosya.co