Percentage Calculator: Percent

An efficient percentage calculator for everyday finance and quick math. Compute percent of a number, percent change, increase or decrease, discounts, tips, sales tax, markup, and margin in seconds. Clean, intuitive design with instant, accurate results. Core features: - All‑in‑one percentage tools: percent of, percent change, discount and sale price, tip and tax, margin vs markup. - Smart results with formula breakdowns, reverse calculations, and custom rounding or decimal settings. - Time‑saving workflow with recent history, quick copy and share, and a keypad optimized for fast entry. Perfect for shopping deals, budgeting, school homework, invoicing, and sales. Keywords: percentage calculator app, percent change calculator, discount calculator, finance utilities.