Display Screen or Portion Thereof with Transitional Graphical User Interface for Displaying Elevator Information

FIG. 1 is a first image in a sequence for a display screen or portion thereof with transitional graphical user interface for displaying elevator information, showing our new design in a first embodiment including an elevator environment; FIG. 2 is a second image in a sequence thereof; FIG. 3 is a third image in a sequence thereof; FIG. 4 is a fourth image in a sequence thereof; FIG. 5 is a fifth image in a sequence thereof; FIG. 6 is a first image in a sequence for a display screen or portion thereof with transitional graphical user interface for displaying elevator information, showing our new design in a second embodiment; FIG. 7 is a second image in a sequence thereof; FIG. 8 is a third image in a sequence thereof; FIG. 9 is a fourth image in a sequence thereof; and, FIG. 10 is a fifth image in a sequence thereof. The appearance of the transitional user interface sequentially transitions between the images shown in FIGS. 1 - 5 and 6 - 10 . The process or period in which one image transitions to another forms no part of the claimed design. The broken lines showing the environment, display screen or portion thereof, and/or portions of the graphical user interface form no part of the claimed design.