I never did that by percentages, I just adjusted the BPW and the main VE table until I got a good idle, and leave enough room in the VE tables to stay below 100.

Your fueling issue, if it's solely tune related would be because the combination of VE1 and VE2 are adding up to over 100. You need to keep this below 100 to not get to the VE limit.

You can...