How are these numbers calculated?

Big Games

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

Friday, 3/4100.0*Chance wins title100.0*Average seed
Cornell 64 Yale 88 +16.8
+0.2
Harvard 69 Princeton 67 +12.5
+0.1
Columbia 66 Brown 63 -1.2
-0.1
If winner is:HomeAway
Saturday, 3/5100.0*Chance wins title100.0*Average seed
Dartmouth vs PrincetonYes-6.3
+0.1-0.1
Columbia vs Yale-6.3Yes
-0.1+0.1

What If

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

100100100100100100100100
If finish:ChanceChance will finish season at seed
TWW-Lwins title12345678Count
131-0Yes1001,340,345,022
120-187.5%87131,340,432,066
Total:93.7%9462,680,777,088
Games Above .500
Chance Will Win Championship