How are these numbers calculated?

Big Games

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

Week of 3/28100.0*Chance in playoffs100.0*Average seed
Mariners 2 Wanderers 1 +4.8
+0.8
Victory 1 Sky Blues 1 -0.8
+0.1
Phoenix 0 Reds 1 -0.2
-0.2
Glory 2 Jets 1 In
+0.1
Week of 4/4100.0*Chance in playoffs100.0*Average seed
Glory 3 Mariners 1 -0.8
Reds 2 Heart 2 +0.2
Sky Blues 4 Phoenix 1 -0.2
Jets 2 Victory 2 +0.1
Week of 4/11100.0*Chance in playoffs100.0*Average seed
Roar 0 Mariners 2 +1.2
Phoenix 1 Victory 4 -0.4
Jets 2 Reds 0 +0.4
Heart 2 Wanderers 3 -0.2
Points
Chance Will Make Playoffs