The ornamental design for a displayscreen or portion thereof with graphical user interface, as shown and described.
FIG. 1 is a front view of a first embodiment of a display screen or portion thereof with graphical user interface.
FIG. 2 is a front view of a second embodiment of a display screen or portion thereof with graphical user interface.
FIG. 3 is a front view of a third embodiment of a display screen or portion thereof with graphical user interface.
FIG. 4 is a front view of a fourth embodiment of a display screen or portion thereof with graphical user interface.
FIG. 5 is a front view of a fifth embodiment of a display screen or portion thereof with graphical user interface; and,
FIG. 6 is a front view of a sixth embodiment of a display screen or portion thereof with graphical user interface.
The broken lines shown herein are for illustrative purposes only and form no part of the claimed design. The long-short broken lines showing the display screen and the dashed broken lines showing the remainder of the graphical user interface form no part of the claimed design.
The different stippling patterns shown in FIGS. 1-6 are claimed subject matter that indicate a contrast of appearance.