The ornamental design for a displayscreen or portion thereof with graphical user interface, as shown and described.
FIG. 1 is a front elevational view a display screen or portion thereof with graphical user interface;
FIG. 2 is a second image thereof;
FIG. 3 is a third image thereof; and,
FIG. 4 is a fourth image thereof.
The appearance of the transitional image transitions between the images shown in FIGS. 1-4. The process or period in which one figure transitions to another figure forms no part of the claimed design.
The outermost broken lines in the drawings show the display screen or portion thereof and form no part of the claimed design. The dotted broken lines in the drawings show portions of the graphical user interface and form no part of the claimed design. Tonal shading indicates a contrast in appearance forming part of the claimed design.