Chart Autoscale
Chart Autoscale automatically scales the maximum values and, if available, minimum values.
Bar charts only. If you set Max Value to 0, the bar with the highest value will be shown in full height; the height of all other bars is shown relative to the highest bar.
Default: not selected
Examples:
The following three sparklines have the same size and show the same data. The scaling, however, differs because of different min and max values or Autoscale: