How are these numbers calculated?

Big Games

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

Week of 4/26100.0*Chance in playoffs100.0*Average seed
Whitlock 7 Anderson 5 +1.7
-0.1
Wright 1 Smith 7 -1.2
+0.1
Smith 1 van Gerwen 7 +1.2
Gurney 6 van Gerwen 6 -0.4
+0.1
van Barneveld 6 Cross 6 -0.3
-0.0
Week of 5/3100.0*Chance in playoffs100.0*Average seed
Anderson 3 van Barneveld 7 +5.7
-0.1
Gurney 6 Smith 6 -3.2
+0.1
Cross 2 van Gerwen 7 +1.1
Wright 7 Whitlock 4 -0.0
Week of 5/10100.0*Chance in playoffs100.0*Average seed
Wright 6 Gurney 6 Out
-0.1
van Gerwen 5 Anderson 7 Out
-0.1
Smith 6 van Barneveld 6 -0.1
Games Above .500
Chance Will Make Playoffs