Sparklines are simple and fun conditional formatting tools that make it easy for you to show at a glance what the data trend is in the values on your worksheet. You can customize your sparklines so that they appear in different colors and styles.
Excel 2013 offers three types of sparklines: Line, Column, and Win/Loss. The Line option displays your data as a small line chart. The Column sparkline format shows your data as comparison values displayed as a small bar chart. The Win/Loss option displays values as a sequence of colored dashes that clearly indicate the high and low points in your data.
Select the cells that you want to summarize.
Click the Insert tab.
In the Sparklines group, click the type ...