How are these numbers calculated?

Big Games

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

Week of 1/12100.0*Chance in playoffs100.0*Reg Season Champs100.0*Average seed
Orlando 26 London 35 +0.1
London 19 Mississippi 77 +0.1
+0.8
+0.0
Georgia 37 Orlando 26 -0.0
Week of 1/24None
Week of 1/25100.0*Chance in playoffs100.0*Reg Season Champs100.0*Average seed
Mississippi 28 Georgia 24 -0.1
Yes
+0.2
Games Above .500
Chance Will Make Playoffs

Lottery

Why are you looking down here? We just made the playoffs!

Big Games

Week of 1/12100.0*Lottery seed
St. Paul 62 North Carolina 45 +0.1
London 19 Mississippi 77 -0.0
California 33 St. Paul 65 +0.0
Week of 1/24None
Week of 1/25100.0*Lottery seed
Mississippi 28 Georgia 24 -1.0