Forum Moderators: Robert Charlton & goodroi
Perhaps you need to look at what is remaining and see if what is remaining has any value or originality to begin with.
So start by looking at your site and perhaps work on your content, site structure and linking. Your drop in ranking makes me think that you had some link juice to those 600 pages that may have helped your rankings.
Missing no point all at ..why because you remove content that wasn't yours should you get any "brownie points" and any rankings back ?
Adding 600 pages of other peoples material got the pandas attention ..and probably harmed the innocents restaurant sites that you took it from too