How do "chance of murderer" percentages work?

[colbert2677 (ImagineerColbert)]

There’s been a couple of threads on this. Make sure to do a search before posting. The most recent one I know of was this one 15 days ago in which I responded to:

Role chances like in murder mystery

You can go about this in two ways: crudely or elegantly. When you’re working with chances in games, whether it’s to select roles like a Murder Mystery type game or for loot dropping in RPGs, you’ll typically be faced with tables and randomisation, so this is where you’ll want to begin your searching first. If you’re looking for a super crude way of doing this, then you can just make a giant table where the player’s name is repeated n amount of times where n represents the algorithm you’re usin…