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
Josh 112.9 Gabby 96.1 +24.7
+0.9
Craig 147.4 Scott 134.7 +4.6
+0.1
Michael 95.2 Stacy 65.9 +2.1
+0.1
Ruth 79.7 Jeremy 128.2 +1.7
Jay 80.7 Paul 84.7 -0.5
Week of 11/17100.0*Chance in playoffs100.0*Average seed
Jeremy 153.3 Josh 76.1 -16.6
-0.6
Ruth 99 Michael 117.6 +3.3
+0.1
Paul 109.9 Craig 65.3 -2.2
-0.1
Stacy 57.9 Jay 88 +1.0
Gabby 93.3 Scott 114 -0.1
Week of 11/24100.0*Chance in playoffs100.0*Average seed
Josh 93.5 Ruth 94.9 -30.6
-0.5
Scott 99.7 Jeremy 130 +15.7
+0.5
Gabby 73.5 Paul 67.8 +1.6
Games Above .500
Chance Will Make Playoffs