Help with projection

Good night.
I have the following problem Community I have the following table in which I am generating the calculation of rotation, I dedicate calculation what I am generating as follows, the total casualties between the total model per month and year. for this example presented reflection by month

The problem is that the problem is that producing a projection only in March instead of having 5.5% should show that showing that 10.1% as follows as following excel table shown, repentant of the normal rotation of the previous months, the dax I am using to make the projection is as follows (Rotation / 17)*31 being 17 the number of days and 31 corresponding to the total days of the month of March. As seen in the January and February table only the casualties are divided between the squad and the month of March this time the calc

This to represent a chart as follows.