percent sign

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percent sign

A student writes a percent sign next to a number on a math worksheet.

Definition
  1. Noun:
    • A symbol (%) used to denote that the number immediately preceding it represents a proportion or ratio out of one hundred. It signifies "per hundred" or "parts per hundred."
Usage
  • The percent sign is placed directly after a numeral without a space (e.g., ).
  • It is used to express percentages, such as discounts, interest rates, probabilities, and statistical data.
  • In formal writing, the word "percent" is often used instead of the symbol, but the symbol is common in technical, financial, and informal contexts.
Examples
  • Noun:
    • The sale offers a 25% discount on all items.
    • The interest rate on the loan is 3.5%.
    • According to the survey, 80% of participants agreed.
Advanced Usage
  • In programming and computing, the percent sign often serves as a modulus operator (calculating the remainder of a division) or as a format specifier (e.g., in functions: for integer).
    • In Python, the expression 10 % 3 returns 1.
  • In some contexts, it can represent a wildcard character in database queries.
Variants and Related Words
  • Percentage (n): A rate, number, or amount in each hundred; the result expressed by the percent sign.
    • A large percentage of the budget was allocated to research.
  • Percent (n, adv): A more common written or spoken form equivalent to the symbol .
    • Fifty percent of the task is complete.
Synonyms
  • Percentage symbol
  • Percent symbol
Related Phrases
  • Basis point: One hundredth of one percent (0.01%), often used in finance. While not a phrase using the sign, it is a related concept for expressing small percentages.
  • Per mille sign (‰): A related symbol meaning "per thousand."
percent sign

A student writes a percent sign next to a number on a math worksheet.

Noun
  1. a sign (`%') used to indicate that the number preceding it should be understood as a proportion multiplied by 100

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