Hello

I need help on a table.

I would like to add a calculated column that gives me back a D or R value.
R if the value is not double.
D if the value is doubled

Here are the columns

i know the algorithm, but i dont scrive this in dax

i must to look if my room users is same than one year ago, if yes the result will be D or not then result is R

i think to use parallellperiod or sameperiodlast year, but i'm blocked on filter to use that

Sorry for my english

i hope someone will can to help me

Regards