The ornamental design for a displayscreen or portion thereof with animated graphical user interface, as shown and described.
FIG. 1 is a first image in a sequence for a display screen or portion thereof with animated graphical user interface.
FIG. 2 is the second image thereof; and,
FIG. 3 is the third image thereof.
The appearance of the animated graphical user interface 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 broken-line outer perimeter illustrates a display screen. The remaining broken lines illustrate portions of a graphical user interface. The broken lines form no part of the claimed invention.