How are these numbers calculated?

Big Games

How we did last week and who we should root for this week.   Explain

Week of 4/18100.0*Chance wins title100.0*Playoffs100.0*Last Place100.0*Average seed
Stone 76 Lime 48 +2.9
+12.7
No
+0.4
Sunset 47 Black 44 -0.1
-0.7
No
Cardinal 58 White 51 +0.1
+0.6
Royal 67 Gold 60 +0.1
+1.1
+0.0
Week of 4/25100.0*Chance wins title100.0*Playoffs100.0*Last Place100.0*Average seed
Cardinal 49 Stone 25 -1.5
-2.7
-0.1
Lime 43 Sunset 41 +0.5
+1.4
White 42 Gold 53 +0.4
-1.8
Royal 61 Black 48 -0.0
Week of 5/2100.0*Chance wins title100.0*Playoffs100.0*Last Place100.0*Average seed
Lime 49 Royal 46 +1.1
Yes
+0.2
Black 50 Gold 56 +0.6
+0.2
Stone 49 White 52 -0.6
-0.3
Games Above .500
Chance Will Win Championship