The issue is the historical data changed. Originally my impressions had not dropped but then around a few weeks ago they started to. As each day went by they dropped further which is strange when it is in the past. So did ebay over state my impressions and then corrected them which is unlikely as each days impressions is correct for my long term average. 

My impressions are usually 100 000 per month, went to 140 000 per month then dropped back to 90 000 as the historical data changed. So just a glitch I don't know and as page views are the same . The good part is sales are up and checking today shows up 85% without paying for promoted or increasing items available or selling anything different. As most items selling have been listed for over a year. 

I have a featured store as the fee savings make it worth while so when you increase sales by 85% for the past 31 days that is a huge increase. Not to mention the only extra work at the moment is packing parcels which may not be to bad if I was not in the middle of moving to a new location.

This graph may show better as you can see when they dropped and how the last 2 days are normal but after a week they start to drop and page views remain normal. I was curious to see if anyone else had experienced the same.