According to IMDb, the worldwide box office for "Ballerina" has reached $144M
http://www.imdb.com/title/tt2261287/business
The newest Sia video feat. Maddie Ziegler
https://www.youtube.com/watch?v=paXOkGMyG8M
Well, by that theory "The Book of Henry" would also have a higher IMDb rating, which I don't see.
I've watched "Ballerina" when it was released here some time ago, and it's a nice sweet little movie.