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
Bill 122 DanP 90 +15.1
+1.1
DanL 64 Tim 70.5 +2.5
+0.1
Jen 70 Max 76 +1.3
+0.1
Helmut 81.5 Eric 120.5 -0.6
-0.1
Terry 79 Andy 80 +0.4
-0.0
Nic 77.5 DanE 69 +0.2
+0.0
Week of 11/25100.0*Chance in playoffs100.0*Average seed
DanN 73.5 Bill 122 In
+0.8
Joe 87 DanP 97 +2.1
DanE 63.5 Pawel 111.5 -2.0
-0.0
Jen 71 Helmut 78.5 +0.5
Max 111.5 Eric 59 +0.5
+0.1
Nic 121.5 Mike 90 +0.4
+0.0
DanL 97 Terry 38.5 -0.3
Tim 87 Andy 116.5 -0.1
Week of 12/2100.0*Chance in playoffs100.0*Average seed
DanL 70.5 Andy 139.5 -0.1
Joe 67.5 Bill 88 +0.0
Games Above .500
Chance Will Make Playoffs