2025-09-03 00:00:00 Need to calculate percentages fast? Metis is your comprehensive percentage calculator for shopping, business, finance, and everyday math. From simple discounts to compound interest, handle any percentage calculation with confidence. No spreadsheets or manual math needed. This free calculator app delivers instant, accurate results for students, professionals, shoppers, and business owners. Each calculator includes clear explanations and real-world examples. All Calculators Included: