Display Screen or Portion Thereof with Graphical User Interface

FIG. 1 is a front view of a first embodiment of a display screen or portion thereof with graphical user interface showing our new design;

FIG. 2 is a front view of a second embodiment thereof;

FIG. 3 is a front view of a third embodiment thereof;

FIG. 4 is a front view of a fourth embodiment thereof;

FIG. 5 is a front view of a fifth embodiment thereof; and,

FIG. 6 is a front view of a sixth embodiment thereof.

The outermost broken line in the figures depicts a display screen or portion thereof that forms no part of the claimed design.

The remaining broken lines in the figures depict portions of the display screen or portion thereof with graphical user interface which form no part of the claimed design.

The grayscale tones which depict features of the graphical user interface are intended to represent color contrast, and not any particular tone or shade of color.