No, you can go to 100%. You just have to find all the easter eggs, and get all the scenes.
First of all, you'll need all the sex scenes of the animatronics, which means dying to them.
Next, spam the donut in your office.
Then, repeatedly switch to cam 3 on your monitor, (go back and forth between any random cam and cam 3) and wait until the poster on the wall had golden freddy's face on it. Click on it, and let her jumpscare you.