0.10 = 10%. Perhaps your data range has different formatting than the axis.

- Jon
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Jon Peltier, Microsoft Excel MVP
Tutorials and Custom Solutions
Peltier Technical Services, Inc. - http://PeltierTech.com
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"Gill" wrote in message
...
My secondary axis value is say 10% and the mouse-over value displays .10
which is incorrect, can you advise how to fix this please