Hi B,
I think that about half of the 3% drop is due to the additional 50M shares being added in the Shortman records.
There was 10% short of 260M being 26M short.
When the 50M were added those same 26M short represented 8.5% (26/(260+50)).
Today there is 7% short of 310M being 22M.
So, the number of shorts reduced recently is 4M.