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
Harvard 65 Cornell 77 -4.3
-0.6
Yale 81 Penn 58 -0.6
Brown 59 Princeton 83 -0.5
Dartmouth 60 Columbia 77 -0.3
If winner is:HomeAway
Saturday, 1/30100.0*Chance wins regular season title100.0*Average seed
Harvard vs Columbia+3.1-3.1
+0.5-0.5
Yale vs Princeton-0.2+0.2
Brown vs Penn+0.1-0.1
Dartmouth vs Cornell-0.1+0.1

What If

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

100100100100100100100100
If finish:Chance will finish regular season at seed
TWW-LChance wins regular season title12345678Count
1211-099.7%1000311,770
1110-194.795502,089,870
109-271.872262010,436,095
98-328.02850202031,287,850
87-42.3222452740062,566,944
76-50.001113838121087,560,918
65-6No004264522287,550,267
54-7No00221512662,533,309
43-8No02306831,287,348
32-9No079210,438,015
21-10No01992,089,565
10-11No0100310,657
Total:5.1%58111416161613388,462,608
Games Above .500
RPI