THEMA: Fan rank decreased

Morning.Why my Fan Rank its decresed from 6 to 4,in one day?
I have same numbers of friends on facebook and twitter too.

many have the same problem. I have decreased from 9 to 7 (.

No one reply by technics,about this problem?

We alread replied plenty of times in the forum.
You can use the forum search function.

"The fanrank is an internal calculation which is based on many factors. This is no open information how we calculate it"