Well the problem has occurred again. Now I'm starting to suspect whether or not it may be hardware related now? There is no evidence of throttling. Monitoring programs show the fans running at 100%. I have reinstalled Bootcamp again and it shows poor performance (I have compared my performance in game with multiple videos of other's performance with similar specs, in-game settings, and other stuff of sorts. For bootcamp, the only thing that changed was the drivers. And others do not seem to be having trouble with the drivers and I re-dled them and re-installed and so I can conclude it's not the drivers. My method of installation did not differ.)
On the Mac OS side of things. Unless an update was installed without me pressing install, which then I conclude it must have been a minor update otherwise why would Apple have installed something without my consent. So I doubt that is a faulty update like before but my performance is equally as shoddy as before.
Also to the above poster: try re-installing.
Update:
Just re-installed. Will check to see performance. If it fixes itself I am not quite sure as to the reason of this problem, but hope for an observable reason to why the hardware/software performance is sub-par even without a major software update. It is possible and possibly probable that it is a user error that was not remembered, but I do not know.
Re-update:
It was not fixed. Whereas the first time I re-installed I got over two hundred FPS on the same settings I am using now. I get around twenty to thirty FPS.