Percentage Calculator

How to Calculate Percentages

Percentage calculations are fundamental to everyday mathematics — from understanding sale discounts to calculating profit margins and tax. PERCIVIA covers all six common percentage scenarios with instant visual feedback.

Formula Reference

• X% of Y: Result = (X / 100) × Y
• Percentage increase: ((New − Old) / Old) × 100
• Percentage decrease: ((Old − New) / Old) × 100
• Profit margin: ((Revenue − Cost) / Revenue) × 100
• Discount price: Original × (1 − Discount% / 100)
• Markup price: Cost × (1 + Markup% / 100)

Difference Between Margin and Markup

Margin is calculated as a percentage of the selling price, while markup is calculated as a percentage of the cost. For example, a product costing ₹100 sold for ₹150 has a 33.3% margin but a 50% markup. Understanding this distinction is critical in pricing strategy.

Common Use Cases

• Calculate how much you save in a sale (discount calculator)
• Track portfolio growth percentage over time
• Calculate GST or sales tax amounts
• Determine profitability of products
• Compute grade percentages from raw scores