Best way to charge battery of macbook air

i have a macbook air 13 inch 256 GB SSD. it is early 2014 version . i bought it in dec 18 2014. i have had 11 charge cycles up until now. the issue is that my battery full charge capacity has dropped from 7280 mah (100%) to 6818 may (95%) in a span of just 9 days . i fail to understand how it can be normal? my battery usage is normal . i charge my battery and take precautions as not to overcharge it . so once my battery is 100 % charged then i disconnect the cable and let the MAC run on battery. i do so because i have heard from many people not to keep the machine always plugged on charge. i want to know whether the % drop in my battery flu capacity happened because of my faulty charging practice? . please some expert tell me as what is the correct way to charge and use the MAC battery as i want to use it in a proper way . there is no constraint in my case as i normally use my MAC at a place where i keep it plugged all the time.
thanks

Hello!
This sharp drop in F.C.C. isn't normal no matter how you use your battery. The degradation of the F.C.C. should occur slowly over the span of months, not days.
Please reset the SMC to make sure that it's not an reporting error of the hardware: Intel-based Macs: Resetting the System Management Controller (SMC) - Apple Support
If the degration keeps happening this fast, take it to an Apple Store.

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~~~~~~~~~~~~~~~
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