1. What is Percentage Change in Price?

Percentage change in price measures the relative difference between an old price and a new price, expressed as a percentage. It is commonly used in finance, economics, and business to track price movements over time.

2. How Does the Calculator Work?

The calculator uses the percentage change formula:

Where:

• \( New\ Price \) — Current or updated price value
• \( Old\ Price \) — Original or previous price value

Explanation: The formula calculates the relative change between two price points, showing the increase or decrease as a percentage of the original price.

3. Importance of Price Change Calculation

Details: Calculating percentage change in price is essential for financial analysis, investment decisions, inflation tracking, sales performance evaluation, and market trend analysis.

4. Using the Calculator

Tips: Enter the old price and new price in any currency unit. Both values must be positive numbers, with the old price greater than zero.

5. Frequently Asked Questions (FAQ)

Q1: What does a positive percentage change indicate?
A: A positive percentage change indicates a price increase, showing how much the price has risen relative to the original price.

Q2: What does a negative percentage change indicate?
A: A negative percentage change indicates a price decrease, showing how much the price has fallen relative to the original price.

Q3: Can I use this for stock price changes?
A: Yes, this calculator is commonly used for tracking stock price movements, investment returns, and portfolio performance.

Q4: What if the old price is zero?
A: The calculation requires the old price to be greater than zero, as division by zero is mathematically undefined.

Q5: How accurate is the percentage change calculation?
A: The calculation is mathematically precise when correct input values are provided. Results are rounded to two decimal places for clarity.