Question solved (OBIEE Version 12c): open your analysis > click "results" > click the icon "Edit Analysis properties" > under "Results display" select "display custom message" and write a statement with the message needed > select the check box "Contains HTML"> Then "OK"

Hi Gianni, thank you for your response. This sentence truly made my day: "But it's the expected behavior, everybody seeing that chart should understand that there is rounding going on, otherwise they are anyway reading the numbers wrongly". Yes, I do agree with you. Some people are hard to convince but we will keep the…

Thank yo very much for your input. Best Regards.