Display Screen or Portion Thereof with Graphical User Interface

FIG. 1 is a front view of a first image in a sequence of a display screen or portion thereof with graphical user interface showing the new design; and,

FIG. 2 is a front view of a second image thereof.

The appearance of the display screen or portion thereof with graphical user interface sequentially transitions between the images shown in FIGS. 1 - 2 . The process or period in which an image transitions to another forms no part of the claimed design.

The outermost broken lines illustrate a display screen and form no part of the claimed design. The remaining broken lines illustrate portions of a graphical user interface and form no part of the claimed design.