How are these numbers calculated?

Big Games

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

Week of 11/17100.0*Chance in playoffs100.0*Average seed
Jeremy 74.2 Ruth 90 +2.3
+0.1
Paul 123 Matthew 65.1 +1.3
+0.0
The Girls 68.8 Michael 98.8 -0.6
+0.1
Craig 72.7 Jordan 107.6 -0.4
Week of 11/24100.0*Chance in playoffs100.0*Average seed
Ruth 52.5 Paul 76.6 -0.2
Matthew 99.1 Josh 93.3 +0.0
Week of 12/1100.0*Chance in playoffs100.0*Average seed
Paul 76.4 Jordan 54.7 -0.0
Games Above .500
Chance Will Make Playoffs