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
Ruth 79.7 Jeremy 128.2 -8.2
-0.6
Craig 147.4 Scott 134.7 +2.8
+0.1
Michael 95.2 Stacy 65.9 +2.2
+0.1
Josh 112.9 Gabby 96.1 -0.5
Jay 80.7 Paul 84.7 -0.1
Week of 11/17100.0*Chance in playoffs100.0*Average seed
Ruth 99 Michael 117.6 Out
-0.6
Jeremy 153.3 Josh 76.1 +1.7
Stacy 57.9 Jay 88 +0.9
Gabby 93.3 Scott 114 +0.7
-0.1
Paul 109.9 Craig 65.3 -0.4
Week of 11/24100.0*Chance in playoffs100.0*Average seed
Josh 93.5 Ruth 94.9 +0.7
Michael 126.6 Jay 108.4 +0.2
Craig 118 Stacy 83.7 +0.2
Gabby 73.5 Paul 67.8 +0.1
Games Above .500
Chance Will Make Playoffs