Yes, it is read from right to left. Furthermore, though, the larger text and smaller text of the headline are not meant to be read together as one continuous whole. Rather, they are two separate, but related, things, with the smaller one elaborating on the main, larger one.
If you are going to go to this kind of trouble to understand a news article, you are better off choosing an article paragraph, rather than the headline. Headlines are often highly abbreviated, and so are harder to interpret by themselves.