For any charted quantity, you need to enter or calculate that quantity in
the worksheet, then determine how to display it on a chart.

You may want to try making a waterfall-type chart, but with a single
floating quantity between the two adjacent bars:

http://peltiertech.com/Excel/Charts/Waterfall.html

- Jon
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Jon Peltier, Microsoft Excel MVP
Tutorials and Custom Solutions
http://PeltierTech.com
_______


"smaruzzi" wrote in message
...
In my bar chart i would like to visually show the delta between two
adjacent
bars. Is there a way to obtain this result automatically?

Thanks, Stefano