How are these numbers calculated?

Big Games

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

Week of 11/25100.0*Chance in playoffs100.0*Average seed
Jeff 103.5 Nick 123.9 -22.9
-1.2
Blake 149.6 Sam 106.9 -3.4
-0.2
Tope 125.3 Striker 145.8 +3.2
+0.1
Linc 123.2 Corey 133.1 +1.0
-0.0
Abby 135.5 James 183.1 -0.8
Week of 12/2100.0*Chance in playoffs100.0*Average seed
Linc 113.9 Jeff 114.5 +16.2
+1.2
Abby 136.5 Sam 93.3 -2.4
-0.1
Striker 118.9 Corey 131.8 -2.1
-0.0
James 157.7 Nick 82.5 +0.3
+0.0
Tope 104.3 Blake 121 +0.2
+0.1
Week of 12/9100.0*Chance in playoffs100.0*Average seed
Sam 108.1 Jeff 64.3 -14.4
-1.1
Striker 92.8 Nick 81.7 +9.5
+0.3
Blake 132.3 Linc 167.3 -6.1
-0.2
Corey 98.7 Abby 109.1 +3.6
+0.1
Tope 152.7 James 178.2 -0.3
+0.2
Games Above .500
Chance Will Make Playoffs