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 the claimed 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 lines in the figures show a display screen or portion thereof, and form no part of the claimed design. The other broken lines in the figures show portions of the graphical user interface that form no part of the claimed design.