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
Georgia 2 New Zealand 6 -1.2
-1.2
+6.8
-0.4
North Korea 3 Israel 9 -0.1
-0.1
+1.5
+0.0
Mexico 1 Iceland 8 -5.0
+0.0
Friday, 4/26100.0*Chance wins title100.0*Promoted100.0*Relegated100.0*Average seed
Iceland 3 Georgia 6 +0.3
+0.3
-34.7
+1.2
Mexico 4 Israel 5 (ot)No
No
+9.0
-0.1
New Zealand 8 North Korea 5 +4.7
-0.0
Saturday, 4/27100.0*Chance wins title100.0*Promoted100.0*Relegated100.0*Average seed
New Zealand 2 Iceland 4 -0.5
Mexico 8 North Korea 2 +0.3
Georgia 3 Israel 7 -0.1
Points
Chance Will Win Championship