Display Screen or Portion Thereof with Graphical User Interface

Display screen or portion thereof with graphical user interface

1 . 0 : Front View

The ornamental design for a display screen or portion thereof with graphical user interface, as shown and described; the figure is a front view of a display screen or portion thereof with graphical user interface showing our new design; the outer perimeter shown in a pair of broken lines in the drawings illustrates a display screen or portion thereof and forms no part of the claimed design; the remaining broken lines in the drawings illustrate portions of the graphical user interface that form no part of the claimed design; the dot-dash broken lines define boundaries of the claimed design and form no part thereof.