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Price Change Percent Calculator

Price Change Formula:

\[ \% Change = \frac{(New\ Price - Old\ Price)}{Old\ Price} \times 100 \]

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1. What is a Price Change Percent Calculator?

Definition: This calculator determines the percentage change between two prices, showing how much a price has increased or decreased.

Purpose: It helps businesses, investors, and consumers analyze price fluctuations in products, stocks, or services.

2. How Does the Calculator Work?

The calculator uses the formula:

\[ \% Change = \frac{(New\ Price - Old\ Price)}{Old\ Price} \times 100 \]

Where:

Explanation: The difference between new and old price is divided by the old price to get the relative change, then multiplied by 100 to convert to percentage.

3. Importance of Price Change Calculation

Details: Understanding price changes helps in budgeting, financial analysis, investment decisions, and tracking inflation or deflation.

4. Using the Calculator

Tips: Enter both prices in the same currency. Old price must be greater than zero. Positive result means price increase, negative means decrease.

5. Frequently Asked Questions (FAQ)

Q1: What does a negative percentage mean?
A: A negative result indicates a price decrease from the old to new price.

Q2: Can I use this for stock price changes?
A: Yes, this works for any price comparison including stocks, commodities, or retail products.

Q3: Why is the old price denominator important?
A: Using the old price as the base ensures the percentage change is relative to the original value.

Q4: How do I interpret a 0% result?
A: 0% means there was no price change between the two values.

Q5: Can I compare prices from different time periods?
A: Yes, this calculator works for any time frame (daily, monthly, yearly comparisons).

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