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
Paul 123 Matthew 65.1 +6.0
+0.3
The Girls 68.8 Michael 98.8 -3.0
+0.2
Craig 72.7 Jordan 107.6 -2.0
Jeremy 74.2 Ruth 90 -0.2
Josh 106.4 Scott 72.4 +0.1
-0.1
Week of 11/24100.0*Chance in playoffs100.0*Average seed
Ruth 52.5 Paul 76.6 In
+0.8
Jordan 36.4 Jeremy 98.1 +5.4
+0.1
Michael 88 Craig 66 -2.0
Matthew 99.1 Josh 93.3 -1.3
+0.4
Scott 55.7 The Girls 80.5 +0.1
-0.1
Week of 12/1100.0*Chance in playoffs100.0*Average seed
Paul 76.4 Jordan 54.7 +0.5
Josh 124.6 Ruth 100.3 -0.2
The Girls 100 Matthew 60.3 -0.1
Games Above .500
Chance Will Make Playoffs