HP is STILL running TV commercials at this moment that promote "HP Touchpads starting at $399"
What a collection of idiots.
At least change the copy... "PC division for sale". Or "potential mobile OS for sale, cheap"
Down 10% of (make up a number) 2 million = down 200,000 units
Up 5% of 100 million = up 5 million units
Insufficient data in the story to make great comparisons between the carriers unless you know the starting points. However, you could make an educated guess about the patterns inside a single carrier.