How are these numbers calculated?

Big Games

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

Week of 11/18100.0*Chance in playoffs100.0*Average seed
Helmut 81.5 Eric 120.5 -9.4
-1.7
Jen 70 Max 76 +2.5
+0.1
Nic 77.5 DanE 69 +0.2
+0.1
DanL 64 Tim 70.5 +0.1
Terry 79 Andy 80 +0.1
Week of 11/25100.0*Chance in playoffs100.0*Average seed
Jen 71 Helmut 78.5 +1.1
+1.3
Max 111.5 Eric 59 +1.1
Tim 87 Andy 116.5 +0.2
DanE 63.5 Pawel 111.5 +0.2
Nic 121.5 Mike 90 +0.1
DanL 97 Terry 38.5 +0.1
Week of 12/2100.0*Chance in playoffs100.0*Average seed
Helmut 82.5 Max 121.5 Out
-2.2
Eric 70.5 Jen 99.5 +0.8
-0.2
Joe 67.5 Bill 88 +0.2
DanL 70.5 Andy 139.5 +0.1
Games Above .500
Chance Will Make Playoffs