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 -21.4
-0.8
Michael 95.2 Stacy 65.9 +4.5
+0.1
Craig 147.4 Scott 134.7 +4.1
+0.1
Ruth 79.7 Jeremy 128.2 +1.4
+0.0
Jay 80.7 Paul 84.7 -0.6
Week of 11/17100.0*Chance in playoffs100.0*Average seed
Gabby 93.3 Scott 114 -37.7
-1.0
Jeremy 153.3 Josh 76.1 +3.1
+0.1
Stacy 57.9 Jay 88 +2.7
+0.1
Paul 109.9 Craig 65.3 -1.8
-0.1
Ruth 99 Michael 117.6 +0.3
+0.1
Week of 11/24100.0*Chance in playoffs100.0*Average seed
Josh 93.5 Ruth 94.9 +25.2
+0.4
Gabby 73.5 Paul 67.8 +16.3
+0.9
Scott 99.7 Jeremy 130 +1.8
+0.1
Craig 118 Stacy 83.7 +0.2
Games Above .500
Chance Will Make Playoffs