FIG. 1 is a front view of a first embodiment of a display screen panel or portion thereof with a graphical user interface showing our new design;
FIG. 1A is an enlarged view taken from FIG. 1;
FIG. 2 is a front view of a second embodiment of a display screen panel or portion thereof with a graphical user interface showing our new design;
FIG. 2A is an enlarged view taken from FIG. 2;
FIG. 3 is a front view of a third embodiment of a display screen panel or portion thereof with a graphical user interface showing our new design;
FIG. 3A is an enlarged view taken from FIG. 3;
FIG. 4 is a front view of a fourth embodiment of a display screen panel or portion thereof with a graphical user interface showing our new design; and,
FIG. 4A is an enlarged view taken from FIG. 4.
The outermost dot-dot-dash lines in the figures show a display screen panel or portion thereof, and form no part of the claimed design. The dash-dash broken lines in the figures show portions of the graphical user interface that form no part of the claimed design.