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 of a display screen or portion thereof with graphical user interface showing our new design; and,

FIG. 3 is a front view of a third embodiment of a display screen or portion thereof with graphical user interface showing our new design.

The boundary lines shown in dot-dash form indicate the bounds of the claimed design. It is understood that the claimed design extends to the boundary line but does not include the boundary line.

The outermost, evenly-dashed broken lines in the figures indicate a display screen or portion thereof, which forms no part of the claimed design.