How to Report a Blog, copying your CONTENT, to Google

You suddenly notice a drop in traffic and start wondering what could be wrong and you realize that some blog posts that used to fetch thousands of page views daily now brings a couple of hundreds. Sensing what could be wrong, you copied the first few lines of that blog post you wrote, paste it in google search box and realize that your site has fallen to the bottom of search engine result page. Some sites that copied your original work now rank higher than you!