percentile
noun [ C ]
uk/pəˈsentaɪl/ us GRAPHS & CHARTS, MEASURES
one of the 100 equal parts that a set of people or things is divided into, when you are comparing a particular characteristic relating to them:
His salary put him in the 75th percentile of chief executives.
The investment fund is ranked in the top fourth percentile in its category.
See also
decile
median noun
quartile