Battery waer level

[ram-msi]

Hi
I have an ASUS n61jq laptop and the battery waer level is -10% what that means ????

 

[buwish]

Essentially, it means how fast the battery is deteriorating to the point where it will be unable to hold a charge anymore.

 

[ram-msi]

thank you so much but it that number means it's ok or there is a problem , I mean my score is negative which better negative or positive ???