How are these numbers calculated?

Big Games

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

Wednesday, 4/24100.0*Chance wins title100.0*Promoted100.0*Relegated100.0*Average seed
Mexico 1 Iceland 8 No
No
+7.9
-0.2
North Korea 3 Israel 9 -0.3
-0.3
-5.5
+0.1
Georgia 2 New Zealand 6 -0.5
+0.0
Friday, 4/26100.0*Chance wins title100.0*Promoted100.0*Relegated100.0*Average seed
New Zealand 8 North Korea 5 -6.7
+0.1
Mexico 4 Israel 5 (ot)-5.4
+0.3
Iceland 3 Georgia 6 +0.4
-0.2
Saturday, 4/27100.0*Chance wins title100.0*Promoted100.0*Relegated100.0*Average seed
Mexico 8 North Korea 2 No
+0.4
Points
Chance Will Win Championship