A document on percentage is as follows:

What is Percentage?

Percentage is a way of expressing a number as a fraction of 100. The symbol used to represent a percentage is %.

For example, 50% means 50 out of 100 or 50/100. Similarly, 75% means 75 out of 100 or 75/100.

Percentage is used to compare quantities, express ratios, and calculate discounts, taxes, and interest rates.

Percentage Formula:

Percentage formula is used to calculate the percentage of a number or to find the value of a percentage.

Percentage formula is:

Percentage = (Part/Whole) x 100

Where,

Part = the portion of the number you want to express as a percentage

Whole = the total number

Examples of Percentage Formula:

Example 1: Find the percentage of 30 in 100.

Solution:

Percentage = (Part/Whole) x 100

Percentage = (30/100) x 100

Percentage = 30 %

Example 2: If the price of a book is $20 and there is a discount of 10%, what is the new price of the book?

Solution:

Discount = 10% of $20

Discount = (10/100) x $20

Discount = $2

New price = Original price - Discount

New price = $20 - $2

New price = $18

Percentage Applications:

Percentages are used in many areas of life, such as:

1. Business: To calculate profits, losses, and taxes.

2. Banking and Finance: To calculate interest rates, loans, and savings.

3. Education: To calculate grades and percentages.

4. Science: To calculate concentrations, percentages of solutions, and dilutions.

5. Sports: To calculate winning percentages and statistics.

Percentage is an important concept in Mathematics and is used in many real-life situations. It is important to understand the formula and applications of percentage to solve problems efficiently.

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