Display Screen or Portion Thereof with Graphical User Interface

1. Display screen or portion thereof with graphical user interface

1 : Front view of a display screen or portion thereof with graphical user interface

The outer perimeter shown in broken line in the drawings illustrates a display screen or portion thereof and forms no part of the claimed design; the unevenly spaced broken lines define boundaries of the claimed design and form no part thereof; the other broken lines illustrate portions of the graphical user interface that form no part of the claimed design; fig. 1 is a front view of a display screen or portion thereof with graphical user interface showing our new design.