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*Last Place100.0*Average seed
Brown 34 Penn 31 -2.3
+3.0
-0.2
Dartmouth 13 Harvard 28 No
-23.1
+4.8
-0.6
Princeton 35 Cornell 9 +0.4
+0.0
If winner is:HomeAway
Week of 11/5100.0*Chance wins regular season title100.0*First Division100.0*Last Place100.0*Average seed
Princeton vs Dartmouth-0.3+12.2
+0.3-10.9
-0.0+0.8
Harvard vs Columbia-0.1+3.1
-0.3+12.2
+0.0-0.3
Yale vs Brown-0.1+2.7
-0.0+1.6
+0.0-0.2
Cornell vs Penn+2.7-0.1
+1.6-0.0
-0.2+0.0

What If

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

100100100100100100100100
If finish:FirstChance will finish regular season at seedLast
TWW-LChance wins regular season titleDivision12345678PlaceCount
43-0No47.7%054352No209,649
32-1No0.8019730No8,386,874
21-2NoNo16533100.4%16,174,856
10-3NoNo495150.98,001,629
Total:No0.5%0003327271312.6%32,773,008
Games Above .500
RPI