Carry Over Site Stats to Self-hosted site?

I changed web url and am trying to change the url on word press.

Can't get onto my blog

Askimet not catching spam

Paying my bill (over and over???)

help before its too late

I need to know my EPP

no meu painel nao aparece plugins

I have 5 blogs, do I need to set up a premium account for each one?