drop ranking

Hi guys, I need some piece of advise. I hope you can help me. Here's the case, we've been managing a campaign for a local attorney, and we changed a permalink, which seemed to cause her to fall off the first page of Google Plus top 7 listing. So we reverted it back, and her rankings have...

It,s proven method because 2 of my website ranking have been drop from top 10 it was top 10 from about 6 month. now, both the sites are not even visible in 500 some what. It,s more then 2 month there is no change in my ranking position. 1 site have a position of 527 and second one around 436...