How are these numbers calculated?

Big Games

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

Week of 11/10100.0*Chance in playoffs100.0*Average seed
Michael 95.2 Stacy 65.9 In
+0.3
Craig 147.4 Scott 134.7 +0.3
Ruth 79.7 Jeremy 128.2 +0.2
-0.1
Week of 11/17100.0*Chance in playoffs100.0*Average seed
Ruth 99 Michael 117.6 +0.2
Jeremy 153.3 Josh 76.1 -0.1
Week of 11/24100.0*Chance in playoffs100.0*Average seed
Michael 126.6 Jay 108.4 +0.2
Scott 99.7 Jeremy 130 -0.1
Games Above .500
Chance Will Make Playoffs