Percentage Calculator
Calculate Percentages Instantly
Calculate percentages, percentage increase, decrease, and percentage of numbers with step-by-step solutions.Used by 500K+ students • Works for all percentage calculations
Percentage Calculator
Calculate percentages with step-by-step solutions
Calculation Type
Ready to Calculate Percentages?
Select calculation type and enter values to get instant results with step-by-step solutions
How to Use the Percentage Calculator
Calculate any percentage in 4 simple steps with detailed explanations
1. Choose Type
Select the type of percentage calculation you need from the dropdown menu
2. Enter Values
Input the required numbers based on your selected calculation type
3. Calculate
Click calculate to get instant results with step-by-step solutions
4. Export & Share
Save results as PDF, share with others, or add to comparison table
Understanding Percentage Calculations
Master the fundamentals of percentage calculations with our comprehensive guide
Basic Percentage
Formula: (Part ÷ Whole) × 100 = Percentage
Used to find what percentage one number is of another. Essential for grades, statistics, and data analysis.
Percentage Increase
Formula: ((New - Original) ÷ Original) × 100
Calculate growth rates, price increases, salary raises, and investment returns.
Percentage Decrease
Formula: ((Original - New) ÷ Original) × 100
Analyze discounts, depreciation, population decline, and cost reductions.
Percentage Of Number
Formula: (Percentage ÷ 100) × Number
Calculate tips, taxes, discounts, and portions of quantities.
Percentage Change
Formula: ((New - Original) ÷ Original) × 100
Measure any change between two values, positive or negative.
Key Tips
Always identify what you're looking for first
Double-check your formula selection and input values for accurate results.
Real-World Example: Sarah's Test Score Analysis
The Problem
Sarah is a high school student analyzing her math test scores. She wants to understand her performance and improvement over the semester.
Test Scores:
- • First test: 72 out of 90 points
- • Second test: 85 out of 100 points
- • Final test: 94 out of 100 points
Step-by-Step Solution
1. First Test Percentage
(72 ÷ 90) × 100 = 80%
2. Second Test Percentage
(85 ÷ 100) × 100 = 85%
3. Final Test Percentage
(94 ÷ 100) × 100 = 94%
4. Overall Improvement
From 80% to 94% = 14 percentage point increase
Key Insights
Key Benefits of Our Percentage Calculator
Discover why students, professionals, and educators choose our calculator
Instant Solutions
Get immediate results for any percentage calculation with real-time processing and instant feedback.
Accuracy Guaranteed
Our calculator uses precise mathematical formulas with up to 4 decimal places for maximum accuracy.
Educational Value
Learn with step-by-step solutions that explain the calculation process and mathematical reasoning.
Comparison Tools
Compare multiple calculations side-by-side to analyze patterns and make informed decisions.
Export & Share
Save calculations as PDF reports and share results with colleagues, students, or friends.
Verification System
Built-in verification checks ensure your calculations are correct and help identify potential errors.
Maximize Your Percentage Calculation Skills
Expert tips to improve your percentage calculation accuracy and efficiency
Understand the Context
Always identify what type of percentage calculation you need before starting. Read the problem carefully to determine if you need basic percentage, increase, decrease, or percentage of a number.
Double-Check Your Inputs
Verify that you've entered the correct values in the right fields. A small input error can lead to significantly wrong results, especially in financial calculations.
Learn the Formulas
Memorize the basic percentage formulas so you can verify calculator results and perform quick mental calculations when needed.
Use Comparison Features
Take advantage of the comparison tool to analyze multiple scenarios. This is especially useful for business decisions, grade analysis, and financial planning.
Document Your Work
Use the PDF export feature to save important calculations. This creates a permanent record and helps you track your work over time.
Practice with Examples
Work through the provided examples to understand different calculation types. Practice makes perfect, and examples help reinforce learning.
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Percentage Practice Workbook
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Frequently Asked Questions
Common questions about percentage calculations and our calculator
Ready to Master Percentage Calculations?
Use our calculator to solve any percentage problem with step-by-step solutions and expert guidance