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
North Korea 3 Israel 9 -2.3
-2.3
+4.9
-0.2
Mexico 1 Iceland 8 -0.3
-0.3
-0.4
+0.0
Georgia 2 New Zealand 6 -5.1
+0.1
Friday, 4/26100.0*Chance wins title100.0*Promoted100.0*Relegated100.0*Average seed
Iceland 3 Georgia 6 +34.3
-0.6
Mexico 4 Israel 5 (ot)-3.6
-0.2
New Zealand 8 North Korea 5 +2.0
-0.1
Saturday, 4/27100.0*Chance wins title100.0*Promoted100.0*Relegated100.0*Average seed
Mexico 8 North Korea 2 Yes
-0.6
New Zealand 2 Iceland 4 +0.2
Georgia 3 Israel 7 +0.0
Points
Chance Will Win Championship