Display Screen or Portion Thereof with Graphical User Interface

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

FIG. 2 is a second embodiment thereof;

FIG. 3 is a third embodiment thereof; and,

FIG. 4 is a fourth embodiment thereof.

The outermost broken line rectangle shows the display screen, and forms no part of the claimed design. All other broken lines show portions of the graphical user interface and form no part of the claimed design.