How important is the BPW setting? Which way does it change fueling, more fuel when you go with higher #s??

The reason I ask is when I first ran my tbi with the stock ANTY bin, it was pretty rich across the board. BLMs were all around 100-110. The BPW in that bin is 134, and when I did the calculation to change BPW it was 151. I'm using 74lb injectors in a 7.7L engine. That seemed like it would just add more fuel (unless I've got it backwards in my head), so I left my BPW setting at 134 and started tuning VE. I had to lean it out a bit, but it seems to be doing well now. I'm within 120-140 in all my cells.