Ever wanted to show a dashboard on a big screen in a reception area or office?
The 100% Stacked Column Chart is an extension of the Stacked Column chart in that it compares the percentage that each value contributes to a total.
This article describes how to build a report to compare year over year data.
When using a date field in a chart, you have the option to enable the Time Series functionality. This will allow you to convert your time axis to display as a proper time scale and view your data trends and patterns over time, rather than what I call a categorical type display.