Percent

• “percent” originated from the Latin phrase per centum, meaning “by hundred.” When we say “percent,” we refer to “parts per 100”.
• The percentage is the result when you multiply a number by a percent
•  to find the 25% of a number, divide the given number by 4
• to find the 50% of a number, divide the given number by 2.
• to find the 75% of a number, multiply the given number by three and then divide the result by 4
• 40% of 25 is the same as 25% of 40
• The base is the amount you are taking a percent of
• the rate is the percent you are calculating.
• Fill in the blanks

  A) Rate

  B) Base

  C) Percentage

  
• The product of the base and the rate is the percentage
• Techan's Triangle

  A) Percentage

  B) Rate

  C) Base