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 +23.6
+0.8
Craig 147.4 Scott 134.7 +6.7
+0.2
Michael 95.2 Stacy 65.9 +3.4
+0.1
Ruth 79.7 Jeremy 128.2 +1.3
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 -9.3
-0.4
Ruth 99 Michael 117.6 +2.0
+0.0
Stacy 57.9 Jay 88 +1.6
+0.1
Paul 109.9 Craig 65.3 -1.3
Gabby 93.3 Scott 114 -0.8
Week of 11/24100.0*Chance in playoffs100.0*Average seed
Josh 93.5 Ruth 94.9 -23.6
-0.5
Scott 99.7 Jeremy 130 +9.0
+0.3
Gabby 73.5 Paul 67.8 +1.4
Games Above .500
Chance Will Make Playoffs