I am doubtful that we can move it completely to the left, because it's dependent on the sum of the amounts.
However, please see if this helps. The fields in the Marks are currently in the order of SUM(Marks), Segment and Sub-Category.
In this below image, The fields in the Marks are in the order of SUM(Marks), Sub-Category and Segment.
You can try swapping the position of Account Type and Account Name in your chart and see if that helps.