That is one of those adjustable stems. (I went that route foolishly thinking best to have something to make adjustments until I got more riding time)
Anyway my hunch is that you are way too long (like 30-40mm/1.5in too long) and trying to compensate for reach by moving the hoods to that angle which then makes riding in the drops unsafe due to almost an unusable brake access). BTW those handlebars have a very long reach and the bend design is "clunky" (no offense, mine have a similar shape and looking to get a compact bar)

If you don't have much cash, see if a friendly LBS would sell you an 80mm stem from their used parts bin, cheap after first giving you a quick once over to at least get your fit in the right ball park. (I think they will forgive that you are riding a mailorder bike) Or maybe someone you ride with (group riders) has one to spot you.