How are these numbers calculated?

Big Games

How we did yesterday and who we should root for today.   Explain

Friday, 1/29100.0*Chance wins regular season title100.0*Average seed
Brown 59 Princeton 83 -2.2
-0.5
Yale 81 Penn 58 -0.4
Dartmouth 60 Columbia 77 -0.2
Harvard 65 Cornell 77 +0.1
If winner is:HomeAway
Saturday, 1/30100.0*Chance wins regular season title100.0*Average seed
Brown vs Penn+0.9-0.9
+0.5-0.5
Harvard vs Columbia+0.2-0.2
Yale vs Princeton-0.1+0.1

What If

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

100100100100100100100100
If finish:Chance will finish regular season at seed
TWW-LChance wins regular season title12345678Count
1111-089.7%90100311,106
1010-165.76631302,089,624
99-226.22650222010,437,057
88-32.3222452640031,291,631
77-40.001113738121062,559,527
66-5No004244425387,549,918
55-6No00117493387,559,060
44-7No01247562,539,773
33-8No059531,284,137
22-9No010010,437,543
11-10No01002,092,369
00-11No100310,863
Total:1.3%136912162131388,462,608
Games Above .500
RPI