Percentiles
Percentiles compares to 100 which you intuition about.
To calculate what percentile a data value \(x\) falls in is calculated by:
\[\text{Percentile}=(\text{number of data values below }x)\cdot\frac{100}{\text{total number of data point}}\]
Percentiles are position measures used in educational and health related fields to indicate an individuals position in the data.