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 -24.6
-19.8
-1.2
Ruth 80.8 Jeremy 124.6 +2.2
+2.0
+0.1
Craig 97.2 Scott 100.6 +0.4
+4.4
+0.1
Michael 107 Stacy 75.4 -0.4
+3.6
Josh 102.3 Gabby 143.3 +0.1
+2.6
Week of 11/20100.0*Chance in playoffs100.0*Top 2100.0*Average seed
Stacy 127.1 Jay 86 -28.2
-19.3
-1.7
Paul 80.7 Craig 94 -3.1
-2.3
-0.1
Gabby 116.8 Scott 145.6 +1.0
+3.1
Ruth 105.4 Michael 81.1 +0.2
-0.8
Jeremy 92.8 Josh 90.8 +0.1
+1.4
Week of 11/27100.0*Chance in playoffs100.0*Top 2100.0*Average seed
Michael 77.6 Jay 80.9 +7.5
+1.7
Josh 94.3 Ruth 89.8 +7.2
Gabby 109 Paul 59.4 -4.3
-0.2
Games Above .500
Chance Will Make Playoffs