Display Screen or Portion Thereof with Graphical User Interface

FIG. 1 is a front view of a display screen or portion thereof with graphical user interface showing my new design;

FIG. 2 is a front view of a display screen or portion thereof with graphical user interface showing my new design according to a second embodiment;

FIG. 3 is an enlarged view of a portion of FIG. 1 , shown separately for clarity of illustration; and,

FIG. 4 is an enlarged view of a portion of FIG. 2 , shown separately for clarity of illustration.

The outer perimeter shown in broken lines in the figures illustrates a display screen or portion thereof and forms no part of the claimed design. The remaining broken lines in the figures illustrate portions of the graphical user interface that form no part of the claimed design.