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 +7.0
+7.0
-14.5
+0.7
North Korea 3 Israel 9 -5.9
-5.9
-3.3
+0.1
Georgia 2 New Zealand 6 -0.5
-0.5
+0.1
Friday, 4/26100.0*Chance wins title100.0*Promoted100.0*Relegated100.0*Average seed
Iceland 3 Georgia 6 No
No
-0.5
Mexico 4 Israel 5 (ot)+4.5
+4.5
+0.1
New Zealand 8 North Korea 5 -0.1
-0.1
+0.0
Saturday, 4/27100.0*Chance wins title100.0*Promoted100.0*Relegated100.0*Average seed
New Zealand 2 Iceland 4 +0.8
Georgia 3 Israel 7 +0.3
Mexico 8 North Korea 2 -0.1
Points
Chance Will Win Championship