Learn how to quickly calculate a percent of any number in Excel using simple formulas that save time and reduce errors.

Follow a step-by-step Excel tutorial to learn how to calculate percentages correctly and avoid common spreadsheet mistakes.

For many people using Power BI, DAX is the thing that quietly holds them back from getting the most out of the tool. They ...

Elvis Picardo is a regular contributor to Investopedia and has 25+ years of experience as a portfolio manager with diverse capital markets experience. Suzanne is a content marketer, writer, and ...

Excel's query tool reshapes messy imports into 1NF, so AVERAGEIFS replaces hacks and your summaries run faster.

As Microsoft ramps up Copilot’s capabilities in Excel, the AI tool is becoming genuinely useful for spreadsheet work.

Build a fast Excel money tracker with SUMIFS totals, color coding, and charts, so you see monthly savings and trends without manual work.

Julia Kagan is a financial/consumer journalist and former senior editor, personal finance, of Investopedia. David Kindness is a Certified Public Accountant (CPA) and an expert in the fields of ...

Your fancy new espresso machine is only as good as the technique you apply to it. Here's how to brew like a professional. Pamela is a freelance food and travel writer based in Astoria, Queens. While ...