Display Screen or Portion Thereof with Graphical User Interface

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

FIG. 2 is a second embodiment thereof; and,

FIG. 3 is a third embodiment thereof.

The outermost broken lines show a display screen or portion thereof on which the display screen or portion thereof with graphical user interface may be displayed and form no part of the claimed design. Broken lines shown in the drawings illustrate portions of the display screen or portion thereof with graphical user interface that form no part of the claimed design.