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
Royal 67 Gold 60 -3.8
-15.1
+6.0
-0.7
Cardinal 58 White 51 +0.9
+3.5
-0.4
+0.1
Sunset 47 Black 44 +0.6
+2.4
+5.8
Stone 76 Lime 48 +0.4
+1.5
-1.0
+0.1
Week of 4/25100.0*Chance wins title100.0*Playoffs100.0*Last Place100.0*Average seed
White 42 Gold 53 +6.0
+23.8
-14.7
+1.1
Lime 43 Sunset 41 -1.0
-4.0
-3.2
Cardinal 49 Stone 25 -0.7
-2.8
-0.1
Royal 61 Black 48 +0.3
+1.2
No
+0.3
Week of 5/2100.0*Chance wins title100.0*Playoffs100.0*Last Place100.0*Average seed
Stone 49 White 52 No
No
-0.8
Lime 49 Royal 46 -4.7
-18.9
-0.5
Black 50 Gold 56 +0.5
Games Above .500
Chance Will Win Championship