How are these numbers calculated?

Big Games

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

Week of 2/7100.0*Chance wins regular season title100.0*Average seed
Hamilton 2 Bowdoin 3 In
+0.0
Trinity 5 Middlebury 3 +0.1
Wesleyan 2 Middlebury 1 +0.1
Amherst 5 Bowdoin 3 -0.1
Week of 2/14100.0*Chance wins regular season title100.0*Average seed
Bowdoin 4 Wesleyan 3 *In
+0.1
Middlebury 2 Williams 1 -0.1
Colby 2 Wesleyan 5 +0.1
Bowdoin 4 Trinity 5 -0.0
Week of 2/21100.0*Chance wins regular season title100.0*Average seed
Tufts 4 Bowdoin 3 -0.5
Conn College 1 Bowdoin 5 +0.2
Middlebury 5 Hamilton 2 -0.0

* A starred number could be exactly 0 or just really small. The simulation did not run long enough to know.

Games Above .500
RPI