How are these numbers calculated?

Big Games

How we did last week and who we should root for this week.   Explain

Week of 11/13100.0*Chance in playoffs100.0*Top 2100.0*Average seed
Josh 102.3 Gabby 143.3 +21.7
+6.7
+1.2
Jay 78.4 Paul 86 +5.0
+1.5
+0.1
Ruth 80.8 Jeremy 124.6 +2.0
+0.9
Craig 97.2 Scott 100.6 +0.7
+1.8
-0.1
Michael 107 Stacy 75.4 +0.6
+1.7
-0.1
Week of 11/20100.0*Chance in playoffs100.0*Top 2100.0*Average seed
Gabby 116.8 Scott 145.6 -34.2
-28.4
-1.9
Paul 80.7 Craig 94 -3.8
-2.1
-0.2
Jeremy 92.8 Josh 90.8 -0.3
+0.9
Stacy 127.1 Jay 86 +0.1
-1.2
Ruth 105.4 Michael 81.1 +0.1
-0.1
Week of 11/27100.0*Chance in playoffs100.0*Top 2100.0*Average seed
Josh 94.3 Ruth 89.8 +24.3
Gabby 109 Paul 59.4 +16.4
+1.2
Michael 77.6 Jay 80.9 -1.6
-0.1
Games Above .500
Chance Will Make Playoffs