How are these numbers calculated?

Big Games

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

Week of 1/7100.0*Chance in playoffs100.0*Average seed
Glasgow 12 Munster 14 In
+2.6
Racing 92 7 Munster 32 +3.5
+0.4
Leinster 57 Montpellier 3 +0.3
Racing 92 34 Leicester 3 -0.1
Connacht 66 Zebre 21 -0.1
Week of 1/14100.0*Chance in playoffs100.0*Average seed
Munster 22 Racing 92 11 +0.1
Bordeaux 6 Clermont 9 -0.1
Scarlets 22 Saracens 22 +0.0
Week of 1/21100.0*Chance in playoffs100.0*Average seed
Saracens 10 Toulon 3 -0.1
Clermont 48 Exeter 26 -0.1
Games Above .500
Chance Will Make Playoffs