Display Screen or Portion Thereof with Graphical User Interface

The file of this patent contains at least one drawing/photograph executed in color. Copies of this patent with color drawings(s)/photograph(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; FIG. 2 is a front view of a second embodiment thereof; and, FIG. 3 is a front view of a third embodiment thereof. The broken lines in the drawings indicate portions of the display screen or portion thereof with graphical user interface that form no part of the claimed design. The broken lines of uneven length show the display screen or portion thereof that form no part of the claimed design.