Dear community,
I'm trying to use the extension deltaVis, to compare the number of open calls to the HD for 3 years.
Let's say for example in 2016, the Helpdesk received 1000 calls, and 100 are open (not managed yet), in 2017 80 are open and 2018, only 5 are open
So when I used the deltavis I got something like that
![deltavis.jpg](/legacyfs/online/190986_deltavis.jpg)
so it should give me positive values, as the number of open calls is always small compared to the total number of calls.
So actually the percentage in Grey should be 1.7% and not -98.2%, the delta should be +58.1
Any idea how I can get the deltavis to display positive correct values?
Thanks a lot for your help,