To calculate the average percentage difference over time, you'll need to build a time series of data. The starting point is the price information for each date on which you're producing an average.

In genomes involving billions of nucleotides, a tiny 2 percent difference translates into tens of millions of ACGT differences. And that 2 percent difference can be very broadly distributed. Humans ...

First, calculate the percentage over budget for the total budget to get an understanding of the overall project. Start by finding the difference between the actual total expenses and total ...

According to Bankrate.com, gross margin as a percentage of revenue is determined by dividing total profit into total revenue. If a business buys a product for $100 and sells it for $150, the $50 ...