How are these numbers calculated?

Big Games

How we did last week and who we should root for this week.   Explain

Week of 10/18100.0*Average seed
Atlanta 1 Tampa Bay 1 -0.2
Indy 1 San Antonio 0 -0.1
Ottawa 0 Edmonton 2 +0.1
Week of 10/25100.0*Average seed
Atlanta 0 Carolina 2 -0.2
Ottawa 1 Indy 2 +0.1
Week of 11/1100.0*Average seed
Ft. Lauderdale 1 Ottawa 1 -0.1
Points  (Full Screen)
Chance Will Win Championship  (Full Screen)