Display Screen or Portion Thereof with Animated Graphical User Interface

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

FIG. 2 is a second image thereof; and,

FIG. 3 is a third image thereof.

The appearance of the transitional image sequentially transitions between the images shown in FIGS. 1 - 3 . The process or period in which one image transitions to another forms no part of the claimed design.

The broken line showing of texts, numerals, and graphic elements forms no part of the claimed design.

The outmost dot-dashed lines in the figures show a display screen or portion thereof, and form no part of the claimed design.