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
Craig 72.7 Jordan 107.6 +5.2
+1.0
The Girls 68.8 Michael 98.8 +1.8
-0.2
Paul 123 Matthew 65.1 -1.2
+0.1
Josh 106.4 Scott 72.4 -0.7
Jeremy 74.2 Ruth 90 -0.5
Week of 11/24100.0*Chance in playoffs100.0*Average seed
Jordan 36.4 Jeremy 98.1 -11.2
-0.8
Ruth 52.5 Paul 76.6 -5.1
-0.1
Scott 55.7 The Girls 80.5 -2.9
-0.0
Matthew 99.1 Josh 93.3 +2.1
-0.2
Michael 88 Craig 66 +0.8
-0.1
Week of 12/1100.0*Chance in playoffs100.0*Average seed
Paul 76.4 Jordan 54.7 -0.3
The Girls 100 Matthew 60.3 +0.1
Craig 118.2 Scott 66.8 +0.1
Games Above .500
Chance Will Make Playoffs