Excel and Google Sheets have three functions to calculate the internal rate of return: IRR, XIRR, and MIRR. Learn how these functions can calculate investment returns.

Use Microsoft Excel to calculate EBITDA (earnings before interest, tax, depreciation, and amortization) profit margin.

Insider: Seahawks can thank lackluster offense for predicted regression in 2025 The Seattle Seahawks will get worse, and it'll be their offense's fault. Zach Roberts | Aug 7, 2025 ...