On both of them, and especially on your deadlift, your stance is too wide. Your heels don't really need to be more than 6-8" apart, so bring your feet in. More on deadlift, you are too far out over the bar on the way up. Keep your butt and your bodyweight back while pulling the bar up. You want your shoulders to be just a little ahead of the bar.
Power clean, figure out how to rotate your video the right way. Fix your stance and see if that improves the rest of your pull.