Where would Do What U Want have peaked if it was performed at the YMA?

[Mills 446]

It would've still taken the big second week decline, it just would've debuted higher

Of course it will, because she would have already pulled all stops during the first week, sans a music video release for additional streaming points. It's the massive drop from the top 10 to the 60s as you've earlier mentioned which could be prevented by an initial strong first-week push for the single AND the succeeding promotional push for the album's first-week (which was the week after the YMA's). 

[Cameron Dallas 11]

Like 2 or 3