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 -16.3
-1.1
Jeremy 74.2 Ruth 90 -2.8
Josh 106.4 Scott 72.4 -1.3
The Girls 68.8 Michael 98.8 -0.8
-0.1
Craig 72.7 Jordan 107.6 -0.0
Week of 11/24100.0*Chance in playoffs100.0*Average seed
Matthew 99.1 Josh 93.3 +1.9
+0.8
Michael 88 Craig 66 Out
+0.2
Scott 55.7 The Girls 80.5 Out
-0.1
Jordan 36.4 Jeremy 98.1 +0.4
Week of 12/1100.0*Chance in playoffs100.0*Average seed
The Girls 100 Matthew 60.3 -0.8
Jeremy 72.6 Michael 120.3 +0.3
Craig 118.2 Scott 66.8 -0.2
Paul 76.4 Jordan 54.7 +0.1
Games Above .500
Chance Will Make Playoffs