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 our new design; and, FIG. 2 is an enlarged view of portion 2 in FIG. 1 . The long-dash/short-dash/short-dash broken lines shown in FIG. 1 illustrate the display screen and the boundary of the claimed design and form no part thereof. The short-dash broken lines in FIGS. 1 and 2 illustrate portions of the graphical user interface and form no part of the claimed design. All of the features in the enlarged view of FIG. 2 are shown in short-dash broken lines, so the enlarged view of FIG. 2 forms no part of the claimed design. The long-dash/short-dash broken lines shown in FIGS. 1 and 2 illustrate the periphery of the enlarged drawing view of FIG. 2 and form no part of the claimed design.