Running total KPI

Hello 

I'm creating a report with running totals from this year. I use a relative date-slicer. 

I created two measures until date. If I put them in a KPI, it will display infinity at the target. 

Note: omzet = revenue 

Omzet PY.**bleep** = if(LASTDATE(Datum[Datum]) > TODAY(), BLANK(), CALCULATE([Omzet PY],FILTER(ALLSELECTED(Datum),Datum[Datum] <= MAX(Datum[Datum]))))

Omzet **bleep** = IF(LASTDATE(Datum[Datum]) > TODAY(), BLANK(), CALCULATE(SUM(Waardepost[Omzet]),FILTER(ALLSELECTED(Datum),Datum[Datum] <= MAX(Datum[Datum]))))

I already tried it on a different way. Just with creating new measures to calculate my own %. Just one problem, I just want the number of the last date (today). I tried a couple of techniques but none of them worked. 

So my two questions: 

1) Can i create a KPI with RT ?

2) Is it possible to just selected the lastest data from the table. 

Kind regard

Soler