I'm having just the same issue as everyone.
I charge my phone up to 100%, then when I disconnect the charger, lock, un lock screen and it goes below 95% and have to reconnect over and over again until it stops dropping.
I have been having this problem since I updated via OTA to 4.3.
Is there a way to recalibrate the battery without rooting? I just don't want to root it yet as I bought it in June.