A 100% stacked column chart is an Excel chart type meant to show the relative percentage of multiple data series in stacked columns, where the total (cumulative) of stacked columns always equals 100%. The 100% stacked column chart can show the part-to-whole proportions over time, for example the proportion of quarterly sales per region or the proportion of monthly mortgage payment that goes toward interest vs. principal.
Although stacked column charts can show the change over time of a part-to-whole relationship, it's generally difficult to compare the relative size of the components that make up each column.
Multiple categories and data series in compact space
Can show part-to-whole changes over time
Difficult to compare all but first series
Become visually complex as categories or series are added
This chart is an example of a 100% stacked column chart. The data shown in the chart represents projects over a three year period, categorized as hit goals, missed goals, and exceeded goals. I think this is a good...