Use a relative compare visualization to compare multiple data
elements, such as indicators or breakdowns, over time.
Think of a relative compare visualization as a pie chart with an additional time component.
Like a pie chart, a relative compare visualization shows relative proportions between data
points, but it can also show how those proportions change over time. Traditional uses of relative
compare visualizations are stock charts or population growth trends. When you create a relative
compare visualization, it uses a baseline of zero and then shows how the data changes over time.
For example, this visualization shows the number of open incidents from December to March for
three different incident types. When you point to a line, the number of incidents and the
percentage change for that day appear. The percentage change shown for a data point is calculated
from a baseline of zero, not
the previous data point as on most other time series