Hi Varsha,
We had a similar requirement wherein we had to display a single numeric value as a Value / Percentage. So we developed a custom component which could do this. We also added quite a few formatting options like changing the no. of decimal places etc. Following are some screenshots of what we had developed:
This is also available as part of our Design Studio Custom Extensions Suite ( DSX ) - http://visualbi.com/sap-design-studio/dsx-extensions/
Best Regards,
Sesha