Sitecore Solr Search Result Items Relevance Percentage

In a latest project I worked on there was a requirement on site search that a percent value should be displayed for each result item describe how much accurate it is for the current search criteria ( filters ), Or in another words we want to sort the returned result items starting with the closet item to search filters at the top.

Setup Solr Search Provider for Sitecore

In this blog we will talk about how to use solr as a search provider for sitecore search; As you know the default search provider for sitecore is Lucene.