Sorry to be so picayune, but if you are going to play with numbers, you have to get the terminology right. If your use of terms is misleading, it defeats your purpose.
You don't need to apologise. I very much appreciate and value your input. However, without wishing to dredge up the argument, if you check my first two responses to slimboyfat, I asked him directly what he would call the figures, and he came up blank. The reason for this is because he saw no merit in the equation to begin with.
I have been actively seeking on numerous occasions on this thread to "get the terminology right" as you put it, but it is only on these last couple of pages that helpful suggestions have started to come in as the dust settles, which I had been trying to solicit all along. I hope you understand my frustration. I also hope you understand why people would be confused if I put the words "Net Increase in Publishers" above a chart that depicts the estimated number of people leaving.