Percent sign
How to type it
Left index finger with Shift.
Common uses
- The percent sign writes a fraction of one hundred, as in 25% for one quarter.
- Stores, banks, and test scores use percentages for discounts, interest rates, and grades.
Less common uses
- In many programming languages, % is the modulo operator, so 7 % 3 gives the remainder 1.
- In web addresses, % starts an encoded character, so %20 stands for a space.
- The word percent comes from the Latin per centum, meaning by the hundred.