The $130 fishing rod was first marked down 40 percent, and now it’s an additional 25 percent off. How much will it end up costing? If you’re not sure how to go about figuring this out, you’re not ...

Let's face it: Even the best budgets can't always predict your actual expenses. Things happen. Unexpected costs arise. That's life. That's why it's so useful to review your budget after a project is ...

How to calculate percentages is easier than you think. Quick, what’s 36% of 25? Or how about 250% of 20? Learn a quick and dirty tip to help you calculate all of those pesky percentages in your head.

This post explains how to calculate Weighted Average in Excel with percentages. In a standard arithmetic average where the sum of values is divided by the number of values, each data value is treated ...

If you are using Microsoft Excel to manage numerical data, at some point you're inevitably going to display percentages. Doing so can give you a new insight, or make summarizing heaps of data a bit ...

Multiple factors affect the calculation of withholding by the percentage method, including an employee's marital status and the number of withholding exemptions the employee noted on his W-4 form.

Your income statement shows you how much money you received during the year and how much money you paid out in expenses during the year. Before you get to your net profit, you need to include your ...

Calculate take-home pay by dividing actual paycheck amount by gross pay and multiplying by 100. Adjust calculations for salaried or hourly status to find correct gross pay per period. Consider bonuses ...

Calculating how far a number has declined from one year to the next is pretty easy if you are only considering a one year period. You subtract the current year's number from last year's number, then ...

Calculating weight loss percentage is a way to see your weight loss from a new perspective. Instead of just looking at the pounds drop on a scale, it’s a way to see that weight loss as a ...

Review budgets post-project to understand expense variances and improve forecasting. Calculate over-budget percentages by subtracting budgeted amounts from actual costs. Analyze specific items in your ...

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 ...