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
Yale 81 Penn 58 +7.7
+0.5
Dartmouth 60 Columbia 77 -1.0
Brown 59 Princeton 83 -0.9
Harvard 65 Cornell 77 +0.6
If winner is:HomeAway
Saturday, 1/30100.0*Chance wins regular season title100.0*Average seed
Yale vs Princeton+10.3-10.3
+0.5-0.5
Harvard vs Columbia+2.3-2.3
Brown vs Penn+0.2-0.2

What If

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

100100100100100100100100
If finish:Chance will finish regular season at seed
TWW-LChance wins regular season title12345678Count
1411-0Yes100311,010
1310-1100.0%10002,089,048
129-299.2991010,434,490
118-393.3937031,288,947
107-471.672271062,557,237
96-530.83151171087,555,430
85-63.1326462230087,543,532
74-70.00114403690062,556,213
63-8No004274621231,285,082
52-9No0220522610,441,468
41-10No0230682,088,450
30-11No0991311,701
Total:30.0%302317129631388,462,608
Games Above .500
RPI