It won’t look the same. So, first - removing the easy stuff like laundry. Then, the heavier stuff, like boards and other heavily identifiable things that you want to remove (and they are not coming back unless you bring them yourself, don’t worry). maybe pack them so it would be easier to do the garbage runs, but it’s up to you.
Then, start grouping the rest of the things. Preferably from larger groups like books - if they are all in one place things will already look better
Aand as you sort through the stuff, you might see there are new candidates for throwing out