. . . over half of Americans are overweight is based almost entire on this change . . .

What percentage of Americans would be considered overweight, d'you think, if this change hadn't been made? (In other words, what percent of Americans do you think are between BMI 27 and 25?)

Also: I'm impressed with your knowledge about such things, and willingness to wade through the citations and numbers. My eyes start to gloss over, and I'm glad someone is.