1. What is Stock Price Percentage Change?

Percentage change measures the relative difference between an old and new stock price, expressed as a percentage. It's a fundamental metric in finance to track performance over time periods.

2. How Does the Calculator Work?

The calculator uses the percentage change formula:

Where:

• New Price — Current stock price in dollars
• Old Price — Previous stock price in dollars

Explanation: The formula calculates the relative difference between two prices, showing how much the stock has increased or decreased as a percentage of the original price.

3. Importance of Percentage Change Calculation

Details: Percentage change is crucial for investors to evaluate stock performance, compare different investments, and make informed trading decisions based on price movements.

4. Using the Calculator

Tips: Enter both old and new stock prices in US dollars. Values must be positive numbers. The calculator will show the percentage increase (positive) or decrease (negative).

5. Frequently Asked Questions (FAQ)

Q1: What does a negative percentage change indicate?
A: A negative percentage change indicates the stock price has decreased from the old price to the new price.

Q2: How is this different from percentage points?
A: Percentage change measures relative difference, while percentage points measure absolute difference between percentages.

Q3: Can I use this for other financial instruments?
A: Yes, this formula works for any asset with price data - ETFs, mutual funds, cryptocurrencies, etc.

Q4: What time periods can I compare?
A: You can compare any two points in time - daily, weekly, monthly, or yearly price changes.

Q5: How accurate is this calculation for investment decisions?
A: While percentage change is a fundamental metric, investment decisions should consider multiple factors including volume, market conditions, and fundamentals.