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 -1.8
-0.3
Dartmouth 60 Columbia 77 -0.3
Brown 59 Princeton 83 -0.3
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-0.2+0.2
-0.4+0.4
Harvard vs Columbia+0.1-0.0
-0.1+0.1

What If

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

100100100100100100100100
If finish:Chance will finish regular season at seed
TWW-LChance wins regular season title12345678Count
1212-094.2%9460403,226
1111-165.8663220606,879
1010-223.6245322104,827,496
99-32.63285118022,872,980
88-40.003335490071,754,904
77-50.00054542800156,992,904
66-6No0010423990245,708,829
55-7No001041436277,048,119
44-8No00105336223,311,579
33-9No002476125,460,344
22-10No059546,601,358
11-11No010010,280,793
00-12No1001,387,213
Total:0.2%01412172025211,187,256,624
Games Above .500
RPI