Scientific American presents Math Dude by Quick & Dirty Tips. Scientific American and Quick & Dirty Tips are both Macmillan companies. Long time math fans may remember our first foray into the world ...

Calculating profit as a percentage of revenue shows relative profitability, like Apple's 30.5% vs Fitbit's 20.5%. Common size income statements allow comparisons across companies and time by ...

In the course of running your business, you may find it necessary to perform calculations where you need to combine percents. Percents can be added directly together if they are taken from the same ...

We here at the Math Dude ranch get numerous questions every week from math fans around the world. By far the most common questions we receive have to do with calculating percentages. In particular, ...

For anyone who is interested in analyzing and assessing a company's performance, calculating percentages of total revenues -- or using the percentages that have been calculated for you -- can be very ...