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
Craig 147.4 Scott 134.7 -21.7
-1.0
Michael 95.2 Stacy 65.9 +4.9
+0.1
Ruth 79.7 Jeremy 128.2 +3.4
+0.1
Josh 112.9 Gabby 96.1 -1.0
Jay 80.7 Paul 84.7 -0.2
Week of 11/17100.0*Chance in playoffs100.0*Average seed
Gabby 93.3 Scott 114 +35.1
+1.2
Stacy 57.9 Jay 88 +5.9
+0.2
Paul 109.9 Craig 65.3 -3.9
-0.1
Ruth 99 Michael 117.6 +2.0
+0.1
Jeremy 153.3 Josh 76.1 +1.5
+0.1
Week of 11/24100.0*Chance in playoffs100.0*Average seed
Scott 99.7 Jeremy 130 -16.8
-0.5
Gabby 73.5 Paul 67.8 +13.7
+0.1
Josh 93.5 Ruth 94.9 -5.7
Games Above .500
Chance Will Make Playoffs