Percentage Calculator: Calculate Percent, Increase, & Discount

Solve various percentage problems easily. Calculate shopping discounts, percentage price increases, value changes, and much more.

Input Parameters

Advertisement Configured

Ready to Calculate

Fill in the required parameters on the left and click calculate to see the detailed results and analysis.

Advertisement Configured

Quick Ways to Calculate Percentages for Various Needs

The concept of percentage is one of the mathematical concepts we use most often in everyday life. From calculating discounts when shopping, determining the amount of tax, calculating bank interest, to analyzing business growth. Although it looks simple, many people often feel confused when they have to calculate percentages manually. Our Percentage Calculator is here to provide instant and accurate solutions.

What is Percentage?

Literally, percentage comes from the Latin per centum meaning "by the hundred". The percent symbol (%) is used to indicate that a number is a part of a hundred. For example, 25% is equal to 25/100 or 1/4 of something.

Frequently Used Types of Percentage Calculations

Our calculator covers various calculation scenarios that we frequently encounter:

  • 1Percentage of a Value: Used to find a specific amount of a percentage. Example: What is 10% of $200,000? The result is $20,000.
  • 2Percentage Increase: Used to see what percentage increase occurred from the old price to the new price. Very useful for analyzing inflation or stock price increases.
  • 3Percentage Decrease (Discount): Used when you shop. If an item worth $500,000 is discounted by 30%, what is the discount amount?
  • 4Finding the Original Value: Determining the total initial value if it is known that a certain percentage of it is a specific number.

    • How to Calculate Percentage Manually

    If you don't have a phone or internet access, here is the basic formula:

  • •Finding the Value from Percent: (Percentage / 100) x Total Value
  • •Finding the Percentage: (Part / Total) x 100

    • Uses in the World of Business and Finance

  • •Profit Margin: Business owners use percentages to determine price mark-ups to get the desired profit.
  • •Interest Rates: Banks state savings interest or installments in the form of an annual percentage (APR).
  • •Data Analysis: In research, percentages make it easier for us to compare two groups of data that have different total numbers.

    • Tips for Using the Percentage Calculator

    Enter numbers into the columns relevant to your question. You don't need to fill in all the columns. Just fill in the two columns available on one question line, and the calculator will provide the result automatically. Ensure you do not enter the percent symbol (%) manually into the number columns because the system already recognizes it.

    ? Frequently Asked Questions

    Q How to calculate double discounts (e.g., 50% + 20%)?

    A double discount does not mean a 70% discount. The way: reduce the initial price by 50%, then reduce that result by another 20%. Example: A $100 item discounted by 50%+20% becomes $50 minus 20% ($10), so the final price is $40.

    Q What is the difference between percent and percentage?

    Percent (%) is a unit of value per hundred, while percentage is the term that refers to a number or proportion in that percent form.

    Q How to change a fraction into a percent?

    Simply multiply the fraction by 100. Example: 4/5 changed to percent becomes (4/5) x 100 = 80%.

    Q How to calculate percentage increase automatically?

    Use the formula: ((New Value - Old Value) / Old Value) x 100. If the result is positive, an increase occurred; if negative, a decrease occurred.

    Q What is the use of percentages in statistics?

    In statistics, percentages are used to describe data distribution within a population to make it easier to understand visually, for example in a pie chart.