How are these numbers calculated?

Big Games

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

Week of 4/10100.0*First-round bye100.0*Average seed
Glory 0 Sky Blues 3 +10.5
+0.7
Reds 2 Roar 3 +10.5
+0.3
Roar 1 Victory 2 -4.2
-0.1
City 0 Phoenix 0 +2.8
+0.0
Victory 0 Jets 1 +1.4
+0.1
Week of 4/17100.0*First-round bye100.0*Average seed
Jets 3 Sky Blues 4 +15.4
+0.4
Wanderers 2 Reds 1 +7.5
+0.4
Phoenix 3 Mariners 2 -5.2
-0.1
Roar 0 Victory 1 -0.7
-0.1
Week of 4/24100.0*First-round bye100.0*Average seed
Phoenix 1 Sky Blues 2 Yes
+0.6
Victory 3 Mariners 1 -0.0
Points
Chance Will Make Playoffs