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 a first image of our new design;

FIG. 2 is a front view of a second image thereof; and,

FIG. 3 is a front view of a third image thereof.

The appearance of the transitional image sequentially transitions between the images shown in FIGS. 1 - 3 . The process or period in which one image transitions to another image forms no part of the claimed design. The dot-dash broken lines illustrate the display screen or portion thereof and form no part of the claimed design. The dashed broken lines illustrate portions of the graphical user interface that form no part of the claimed design.