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 -23.5
-0.9
Michael 95.2 Stacy 65.9 +3.3
+0.1
Craig 147.4 Scott 134.7 +3.2
+0.1
Ruth 79.7 Jeremy 128.2 +2.0
+0.1
Jay 80.7 Paul 84.7 -0.9
Week of 11/17100.0*Chance in playoffs100.0*Average seed
Gabby 93.3 Scott 114 -33.2
-1.0
Jeremy 153.3 Josh 76.1 +4.5
+0.2
Paul 109.9 Craig 65.3 -4.1
-0.1
Stacy 57.9 Jay 88 +2.7
+0.1
Ruth 99 Michael 117.6 +1.0
+0.1
Week of 11/24100.0*Chance in playoffs100.0*Average seed
Josh 93.5 Ruth 94.9 +22.8
+0.2
Gabby 73.5 Paul 67.8 +22.8
+1.2
Scott 99.7 Jeremy 130 +1.4
+0.1
Craig 118 Stacy 83.7 +0.2
Michael 126.6 Jay 108.4 +0.1
Games Above .500
Chance Will Make Playoffs