Percents Learn how to calculate percents and use them in real-life situations. 1 Introduction to Percentages What are percentages? Writing percentages Comparing percentages 2 Calculating Percentages 3 Percentages in Real Life Sales tax Discounts, markdowns, and sales Calculating tips 4 Converting Percentages, Decimals, and Fractions Converting fractions, decimals, and percents Percents and decimals Percents and fractions