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Convert Decimal to Percentage Calculator

Percentage Formula:

\[ Percentage = Decimal \times 100 \]

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1. What is Decimal to Percentage Conversion?

Decimal to percentage conversion is a fundamental mathematical operation that transforms a decimal number into its equivalent percentage representation. This conversion is widely used in various fields including finance, statistics, and general mathematics.

2. How Does the Calculator Work?

The calculator uses the simple formula:

\[ Percentage = Decimal \times 100 \]

Where:

Explanation: Percent means "per hundred", so multiplying a decimal by 100 converts it to its equivalent per-hundred representation.

3. Importance of Percentage Calculation

Details: Percentage representation makes numbers more intuitive and comparable, especially when dealing with proportions, growth rates, discounts, and statistical data.

4. Using the Calculator

Tips: Enter any decimal value (positive or negative) and the calculator will instantly convert it to percentage. The result is rounded to 2 decimal places for clarity.

5. Frequently Asked Questions (FAQ)

Q1: How do I convert 0.5 to percentage?
A: Multiply 0.5 by 100 to get 50%.

Q2: What's the percentage equivalent of 1.0?
A: 1.0 × 100 = 100%, which represents a whole.

Q3: Can I convert percentages back to decimals?
A: Yes, divide the percentage by 100 (e.g., 75% ÷ 100 = 0.75).

Q4: How do I handle negative decimals?
A: The same way - multiply by 100 (e.g., -0.2 becomes -20%).

Q5: Why do we multiply by 100 to get percentage?
A: Because "percent" means "per hundred", so we're scaling the decimal to show how many parts per hundred it represents.

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