How are these numbers calculated?

Big Games

How we did yesterday and who we should root for today.   Explain

Tuesday, 5/25100.0*Chance in playoffs100.0*Average seed
Anderson 4 van Gerwen 8 +4.0
+0.4
Wright 8 Van den Bergh 5 +2.4
+0.1
Clayton 5 de Sousa 8 +1.0
Wade 7 Aspinall 7 +0.1
Wednesday, 5/26100.0*Chance in playoffs100.0*Average seed
de Sousa 6 van Gerwen 8 +0.5
Anderson 7 Aspinall 7 +0.1
Thursday, 5/27100.0*Chance in playoffs100.0*Average seed
Aspinall 3 de Sousa 8 +0.1
Wright 6 van Gerwen 8 +0.1
Games Above .500
Chance Will Make Playoffs