Display Screen or Portion Thereof with Graphical User Interface

The file of this patent contains at least one drawing executed in color. Copies of this patent with color drawing(s) will be provided by the Office upon request and payment of the necessary fee. FIG. 1 is a front view of a display screen or portion thereof with graphical user interface showing the claimed design; and, FIG. 2 is front view of another embodiment thereof. The outermost broken lines in the figures shows a display screen or portion thereof, and form no part of the claimed design. The other broken lines in the figures show portions of the graphical user interface that form no part of the claimed design.