The ornamental design for a displayscreen or portion thereof with graphical user interface, as shown and described.
The file contains a drawing of FIG. 2, executed in color. Copies of this patent with color drawing(s) will be provided by the Office upon request and payment of the necessary fee.
FIG. 1 is a front view of a display screen or portion thereof with graphical user interface according to a first embodiment of our design; and,
FIG. 2 is a second embodiment thereof.
The dashed broken lines in the drawings represent the display screen or portion thereof and elements of the graphical user interface that form no part of the claimed design. The dash-dot broken lines represent a boundary to the claimed design and form no part of the claimed design.