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; and,

FIG. 3 is another front view of the second embodiment thereof, the broken line showing portions of the graphical user interface are omitted.

The outer and central even broken lines and the long-dash/short-dash/short-dash broken lines show a display screen or portion thereof and form no part of the claimed design.

The broken lines within the long-dash/short-dash/short-dash broken lines show portions of the graphical user interface that form no part of the claimed design.