No I mean on the left where it says 400 cal and underneath it shows 0%You mean the rings? Those are the activity rings everyone's chasing on their Apple watches. Swiping sends you to a previous month.
As you can see the picture above what my calorie goals were for each day the only thing I'm thinking on why the activity app isn't working properly is I'm running iOS 8.4 beta 3 could be its a bug in the betaAre you meeting your calorie goal every day? Looking at mine, it gives a different percent each week. I'm guessing it has to do with whether you are meeting your goal every day during the week.