How are these numbers calculated?

Big Games

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

Week of 10/29100.0*Chance wins regular season title100.0*First Division100.0*Average seed
Brown 34 Penn 31 +13.6
+0.2
Princeton 35 Cornell 9 +1.2
+0.2
+0.0
Dartmouth 13 Harvard 28 -0.1
If winner is:HomeAway
Week of 11/5100.0*Chance wins regular season title100.0*First Division100.0*Average seed
Princeton vs Dartmouth+0.8-30.9
Yes-3.1
+0.0-0.8
Yale vs Brown-0.2+7.9
-0.0+0.2
Cornell vs Penn+7.8-0.2
+0.2-0.0
Harvard vs Columbia-0.2+7.5
-0.0+0.2

What If

Chances based on how well the Princeton finish out the regular season.   Explain

100100100100100100100100
If finish:FirstChance will finish regular season at seedLast
TWW-LChance wins regular season titleDivision12345678PlaceCount
73-0YesYes100No7,998,785
62-163.7%Yes6436No16,174,775
51-20.8Yes1274923No8,389,132
40-3No87.9%01375120No210,316
Total:56.0%99.9%562513600No32,773,008
Games Above .500
RPI