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
Jay 78.4 Paul 86 -20.1
-14.9
-1.0
Ruth 80.8 Jeremy 124.6 +1.6
+1.8
Michael 107 Stacy 75.4 -0.6
+3.2
Josh 102.3 Gabby 143.3 +0.5
+1.7
Craig 97.2 Scott 100.6 +0.2
+3.5
Week of 11/20100.0*Chance in playoffs100.0*Top 2100.0*Average seed
Stacy 127.1 Jay 86 -24.9
-19.4
-1.6
Paul 80.7 Craig 94 -4.3
-2.2
-0.1
Gabby 116.8 Scott 145.6 +0.7
+1.6
Jeremy 92.8 Josh 90.8 +0.1
+1.0
Ruth 105.4 Michael 81.1 -0.1
-0.8
-0.1
Week of 11/27100.0*Chance in playoffs100.0*Top 2100.0*Average seed
Michael 77.6 Jay 80.9 +8.9
+1.8
Josh 94.3 Ruth 89.8 +8.9
Gabby 109 Paul 59.4 -6.7
-0.3
Games Above .500
Chance Will Make Playoffs