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
London 19 Mississippi 77 +4.8
+14.6
+0.3
Orlando 26 London 35 +2.7
+0.1
Georgia 37 Orlando 26 +2.5
-10.4
St. Paul 62 North Carolina 45 -2.1
Week of 1/24None
Week of 1/25100.0*Chance in playoffs100.0*Reg Season Champs100.0*Average seed
Mississippi 28 Georgia 24 In
Yes
+0.4
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
London 19 Mississippi 77 -0.5
California 33 St. Paul 65 +0.3
Orlando 26 London 35 +0.1
Georgia 37 Orlando 26 +0.1
St. Paul 62 North Carolina 45 +0.1
Week of 1/24None
Week of 1/25100.0*Lottery seed
Mississippi 28 Georgia 24 -1.0