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
Nic 77.5 DanE 69 -1.5
-0.4
DanL 64 Tim 70.5 +0.5
Jen 70 Max 76 +0.2
-0.1
Bill 122 DanP 90 +0.1
+0.0
Helmut 81.5 Eric 120.5 -0.1
+0.1
Terry 79 Andy 80 +0.1
+0.1
Week of 11/25100.0*Chance in playoffs100.0*Average seed
DanE 63.5 Pawel 111.5 Out
-1.0
DanN 73.5 Bill 122 +0.2
Jen 71 Helmut 78.5 +0.2
-0.1
Max 111.5 Eric 59 +0.1
-0.2
Joe 87 DanP 97 -0.1
DanL 97 Terry 38.5 -0.1
Nic 121.5 Mike 90 +0.1
+0.0
Tim 87 Andy 116.5 +0.1
Week of 12/2100.0*Chance in playoffs100.0*Average seed
DanE 111.5 Mike 78 +1.3
Eric 70.5 Jen 99.5 -0.1
Helmut 82.5 Max 121.5 +0.1
Joe 67.5 Bill 88 +0.0
Games Above .500
Chance Will Make Playoffs