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
Michael 107 Stacy 75.4 -12.7
-18.4
-0.7
Jay 78.4 Paul 86 +2.1
+5.0
+0.2
Ruth 80.8 Jeremy 124.6 +1.2
+2.4
+0.1
Josh 102.3 Gabby 143.3 -0.2
+2.3
Craig 97.2 Scott 100.6 -0.1
+2.9
+0.1
Week of 11/20100.0*Chance in playoffs100.0*Top 2100.0*Average seed
Stacy 127.1 Jay 86 +26.1
+28.0
+1.4
Gabby 116.8 Scott 145.6 +1.1
+5.6
+0.1
Paul 80.7 Craig 94 -0.5
-2.9
-0.1
Ruth 105.4 Michael 81.1 -0.1
+0.5
Jeremy 92.8 Josh 90.8 +0.7
Week of 11/27100.0*Chance in playoffs100.0*Top 2100.0*Average seed
Josh 94.3 Ruth 89.8 Yes
+0.2
Craig 112.2 Stacy 109.9 -12.2
-0.6
Scott 100.6 Jeremy 169.7 +0.1
Games Above .500
Chance Will Make Playoffs