I have just found the below formuala or factors affective Google Panda Algorithm. You can check all these and then make necessary changes to get higher ranking with Latest updates in Panda Algorithm. I hope it will help you.
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Google’s Score = (Kw Usage Score * 0.3) + (Domain * 0.25) + (PR Score * 0.25) + (Inbound Link Score * 0.25) + (User Data * 0.1) + (Content Quality Score * 0.1) + (Manual Boosts) – (Automated & Manual Penalties)
Search Engine Optimisation Key Word Usage Factors
* Keyword in title tags
* Rich Header tags
* Documents rich with relevant text information
* Keyword in alt tag
* Key words in internal links pointing to the page
* Key words in the domain and/or URL
* The order key words appear
Domain Strength / Speed
* Domain Strength
* Domain Speed
* Local/specific domain name
* Quality Hosting
Registration history
* When the Domain was registered
* Strength of the links pointing to the domain
* The topical neighborhood of domain based on the in bound and out bound links
* Historical use and links pattern to domain
* Inbound links and referrals from social media
* Inbound Link Score
Age & Quality of links
* Quality of the domains sending links (non paid)
* Links from Authority Websites
* Quality of pages sending links and relevance
* Anchor text of links
* Link quantity/weight metric (Page Rank or a variation)
* Subject matter of linking pages/sites
* User Data
Historical CTR to page in SERPs
* Time users spend on a page
* Search requests for URL/domain
* Historical visits/use of URL/domain by users
Content Quality Score
* Duplicate content filter
* Order of key words in content
* Content update frequency
* Highlighted and visibility of keywords
* Usability and W3C rules
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Follow this guidelines and the usual basic SEO onsite rules and you good to go.