What should I do with my Ficus?

I bought it a year ago, while it was still putting out some new leaves. I repotted it, and it seems to have stopped growing, and it's also been losing leaves. Now it doesn't look healthy and there are very few leaves left.

Should I prune it?

I don't really know much about it, but I want it to grow like many of the ones I see here.

Thank you very much.