If you are not careful in collecting and analyzing the numbers you use to calculate ROI, the percentage Excel calculates will provide a false picture of you business's health.

Calculating the return One of the best methods for calculating an average return for a stock investment is the XIRR function in Excel.

How to Use Excel to Calculate a Bond's Yield to Call. Bonds are investment vehicles that make regular coupon payments until maturity, at which time the bond's face value is paid.

Today, many CIOs and CISOs make an educated guess with no quantitative or systematic way of knowing which cybersecurity projects are best.