Display screen or portion thereof with graphical user interface

FIG. 1 is a front view of a first embodiment for 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;

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

FIG. 7 is a front view of a seventh embodiment thereof; and,

FIG. 8 is a front view of an eighth embodiment thereof.

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