http://www.playonline.com/ff11us/information/0415.html -Experience points lost due to KO.
Starting at level 25, experience points lost after being KO'd will be 8% of the amount needed to reach the next level. However, this value will never exceed 2,400.
-Currently accumulated experience points.
At the time of the version update, if a player's currently accumulated experience points exceed the number required for the newly adjusted level, that player's experience points will be reset to one point below the number needed to gain a level.
New content and system-related adjustments are under constant consideration by the FINAL FANTASY XI development team to ensure a balanced playing experience in the evolving world of Vana'diel.
haha i was just talkin about this last night on LS
oh hey wouldnt it be cool if ya got pass a say 30 your exp loss lowers, or you dont lose any exp until passed lvl 10?
and they laughed at me D: muahah whos laughing now :D