The y-axis is the win-lose difference.
The chart is base on the Results.

West

-7 -6 -5 -4 -3 -2 -1 0 +1 +2 +3 +4 +5 +6 +7 +8 +9 +10 0 1 2 3 4 5 6 7 8 9 10 11 Dignitas Complexity Tribe Gaming Misfits paiN Gaming Cream eSports Immortals NRG Fnatic Team Liquid Team Queso SK Gaming