Battery problem

I have my MACBOOK PRO for almost a month I dont turn it off I leave it charging but when I use it without charging just works for 2 hours or less just browsing and music no games no heavy apps and now the (((Amperage (mA) ))) is -1022 ,what does it mean ?! sometimes when i take it from desk to bed discharge it for seconds and charge it again and every time I move is it bad ?!! and when I keep it for 2 days fully charged it becoms 99% percents fully charged why ?! like in the pic now