The producer of a popular cereal decided to increase the size of its largest box. The old box held 22oz of cereal. The new box holds 30.8oz of cereal. By what percent does the amount of cereal in a box increase?

Why can't my rank go i have 1723 points, but my rank is only at ambitious, which is only 250 points! like, (p.s. i know this isn't related to math, but i just don't know why it's doing this and i would really appreciate if someone could tell me whats going on with this)