How are these numbers calculated?

Big Games

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

Week of 11/16100.0*Chance in playoffs100.0*Average seed
KK 91.5 SG 87.9 -0.2
GG 110.2 CW 120 +0.6
JH 49.6 MS 140.5 +0.1
Week of 11/23100.0*Chance in playoffs100.0*Average seed
GG 93.4 TB 81.4 +0.1
JS 69.6 CW 99.3 +0.1
+0.8
AD 130.3 MS 105 -0.1
SS 71.1 SG 105.2 -0.1
-0.1
KK 133.7 MW 92.2 -0.2
JH 75.3 CE 124.2 +0.1
Week of 11/30100.0*Chance in playoffs100.0*Average seed
CW 102.5 JH 114.7 -0.9
MS 57.5 KK 71.9 -0.3
Games Above .500
Chance Will Make Playoffs