my 500 posts decrease certainly.. why?

i was bcOm 'if-rokkers' b4 sumtime and i was almOst near to 5094 or may be more then it.. but certainly when yesterday i log-on to IF, it is showing sum 4500 or a little more then this..😕

can sum1 help me yaar.. it take so much time in being Rokkers and now its showing this.. wat is this? any Dev.Team member here? help me guys..😊

Check this announcment for explanation.😛
Regarding No. of Posts recalculated

wow i really did not there was if-rockers and if-dazzler. i'm so confused! lol