Display Screen or Portion Thereof with Graphical User Interface

The FIGURE is a front view of a display screen or portion thereof with graphical user interface according to the claimed design.

The dash-dot-dash broken lines in the drawings illustrate boundaries of the display screen or portion thereof that form no part of the claimed design.

The dash-dash broken lines in the drawings illustrate portions of the graphical user interface that form no part of the claimed design.

In the FIGURE, the first hatch shading is shown at the left group in the upper, first viewport, the upper group in the lower, second viewport, and the upper, first group indicator at the left side of the graphical user interface. The second hatch shading is shown at the right group in the upper, first viewport, the lower group in the lower, second viewport, and the lower, second group indicator at the left side of the graphical user interface. The first hatch shading and the second hatch shading represent contrast in appearance, although no particular colors are claimed. Additionally, the heavier line weight of the first hatch shading represents higher opacity relative to the lower line weight of the second hatch shading. Any pattern formed by any of the hatch shading forms no part of the claimed design.