As the others indicate:
There is no way to improve your monetized views directly
(changing network, video settings, etc won't change anything)
However there are several factors that go into monetization % that are good to keep in mind:
- Content - probably the biggest one. If you are playing a PC game, people are going to be watching on PC, moreso than if you are playing a console or especially mobile game.
- Having all your videos monetized - duh
- Having all ad types enabled - sometimes they can't show the enabled ads for whatever reason (such as they sold out) but others might still be available.
- encouraging viewers to use monetizable platforms --- For example if the viewer is watching on iOS, encourage them to download the iOS YouTube app (otherwise no ads).