Video file sizes changing

Unfortunately I cannot share any videos due to policies, but what I am doing is compressing a video to 70mb using Media Encoder. I can see the file size in Windows and in the Export. I upload the video to a Rise course and I then Export to LMS. The Course size goes from 1MB, with nothing in it, to 160MB with a 70MB file in it. Usually when you Scorm ZIP, it compresses video/images, but Rise seems to un-compress or something.

Another thing I tried was uploading the video to 360 Review and using that file in Rise instead. So when I uploaded the file to 360 Review, I download it immediately and it has the same file size. BUT, I wait for it to become available in Rise (I assume after the upload there is a processing time). After this time has passed and I can access the upload through Rise, I go to download the same file again from 360 Review, but the file size has doubled.