Simple Percentage Calculator Code
Simple Percentage Calculator
Calculate percentages quickly using this three-in-one percentage tool.
1. Calculate: X% of Y
2. Calculate: X is what % of Y?
3. Add or Subtract Percentage
How to Calculate Percentages – Complete Guide
Percentages are one of the most commonly used mathematical concepts in everyday life. Whether you are shopping, calculating discounts, analyzing grades, budgeting finances, comparing values, or working on business analytics, percentages help you understand proportions and relationships between numbers.
This simple percentage calculator includes three essential percentage functions that cover nearly every real-life situation. With instant results and a clean interface, it is perfect for students, teachers, business owners, accountants, and anyone who needs fast and accurate percentage values.
1. What Is X% of Y?
This formula is useful when calculating:
- Store discounts (e.g., 30% off)
- Taxes like VAT or sales tax
- Interest rates
- Commissions and earnings
2. X Is What Percent of Y?
This helps compare values, especially when measuring:
- Exam scores and grades
- Business performance and KPIs
- Progress or growth percentages
- Statistical comparisons
3. Add or Subtract Percentage
This is extremely helpful when calculating:
- Price increases or decreases
- Profit margins
- Salary raises
- Percentage-based discounts
By combining all three functions, this tool becomes a complete percentage solution for both basic and advanced mathematical needs.