The percentages tell you how many things you’ve gotten. This includes animations, plushies, and endings.
Click the donut several times to fuck the donut (for the lulz).
Repeatedly open the camera on the fuzzboob poster to unlock the golden freddy animation.
Die to every animatronic (I imagine you have that already, but you may not have died to chica yet)
Beat night 5 to get your first star and alt animations for each character (you’ve already done this)
Beat night 6 to get your second star
Beat 20/off/off/off for fuzzboob plush
Beat off/20/off/off for bonnie plush
Beat off/off/20/off for chica plush
Beat off/off/off/20 for foxy plush
(Alternatively you can get all of these for beating 20/20/20/20. It’s not as hard as it sounds if you understand the mechanics of FNAF as well as the updated mechanics of Foxy and Freddy)
Beat 1/9/8/7 for some kind of plush. 1/9/8/7 is just as hard as night 6.
Play 6/9/6/9 for the golden freddy plush. I think this also unlocks the golden freddy animation
Beat 20/20/20/20 to get your third star and a piece of bonus art (which isn’t an animation so don’t get your hopes up)
I really suggest starting a timer at the start of the night somewhere you can easily check . It helps to keep track of when you can safely avoid using the camera. It also helps you deal with freddy, who will try to attack you at 7 minutes and 42 seconds into the night, at which point you need to close your right door and make sure the camera is not on her. This sends her away for the entire rest of the night and saves SO MUCH power.
I can tell you the gameplay loop I use, or you could create your own from the information provided.