my site URL looks weird when I wanted to paste it

Hi

I did set my premalink settings and it looks good while browsing in the website.But the problem is when I want to copy a page URL and paste it somewhere like Facebook,it looks weird and unfamiliar.
Basically its looks like this:
http://newsbuzz.ir/%DB%8C%DA%A9-%D9%85%D8%AC%D8%B3%D9%85%D9%87-%DA%86%D9%88%D8%A8%DB%8C-%D8%A8%D8%A7-%D9%82%D8%AF%D9%85%D8%AA%DB%8C-%D8%AF%D9%88-%D8%A8%D8%B1%D8%A7%D8%A8%D8%B1-%D8%A7%D9%87%D8%B1%D8%A7%D9%85-%D9%85%D8%B5/