Percentage Calculator
Free percentage calculator for all your percentage needs. Calculate percentages, percentage increase/decrease, tips, discounts, and more with instant results.
Basic Percentage
What % is X of Y?
Percentage Of
X% of Y is?
Percentage Change
% increase/decrease
Tip Calculator
Restaurant tips
Discount Calculator
Sale prices
Basic Percentage
What % is X of Y?
Quick Reference
Common Tip Percentages:
- • 15% - Standard service
- • 18% - Good service
- • 20% - Excellent service
- • 10% - Poor service
Percentage Change Examples:
- • 100 to 150 = 50% increase
- • 200 to 150 = 25% decrease
- • 50 to 100 = 100% increase
- • 100 to 0 = 100% decrease
How to Use
Step-by-step instructions for using the Percentage Calculator
Types of Percentage Calculations
📊 Basic Percentage
Calculate what percentage one number is of another.
Example: What percentage is 25 of 100? Answer: 25%
🔢 Percentage of a Number
Find a specific percentage of any number.
Example: What is 15% of 200? Answer: 30
📈 Percentage Increase
Calculate the percentage increase between two values.
Example: From 50 to 75 = 50% increase
📉 Percentage Decrease
Calculate the percentage decrease between two values.
Example: From 100 to 80 = 20% decrease
Examples
Common use cases and examples for the Percentage Calculator
Practical Applications
Tip Calculator
Calculate restaurant tips, delivery fees, and service charges quickly and accurately.
Discount Calculator
Find sale prices, calculate savings, and determine discount percentages while shopping.
Business Analysis
Analyze growth rates, profit margins, and performance metrics for business decisions.
Frequently Asked Questions
Common questions about the Percentage Calculator
How do I calculate a tip at a restaurant?
Use the tip calculator section. Enter your bill amount and desired tip percentage (typically 15-20%). The calculator will show the tip amount and total bill including tip. For more advanced features like bill splitting and service quality recommendations, check out our dedicated Tip Calculator.
How do I find the discount on a sale item?
Enter the original price and discount percentage. The calculator will show the discount amount and final sale price after the discount is applied.
What's the difference between percentage increase and decrease?
Percentage increase shows how much a value has grown (positive result), while percentage decrease shows how much it has shrunk (can be shown as negative or positive depending on context).
Can I use this calculator for business calculations?
Yes! This calculator is perfect for business use - calculating profit margins, growth rates, commission percentages, tax calculations, and financial analysis.
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