A percentage describes how many
parts there are out of one hundred parts of a particular thing. If there are 60% of
the people in a theatre with brown eyes, then for every 100 people in the theatre, 60 of
them have brown eyes.

Percentages can be changed to
fractions or decimals and visa versa.

**Quantities can be calculated
using percentages.**

If there are 250 people in the theatre approximately how many have brown eyes?

60% of 250

**Percentages can be found by
creating a fraction first.**

The capacity of the theatre is 500. There are 125 patrons for a particular
session.

ie 125 out of a possible 500. This can be written as