One click to resize all selected rectangles (or graphic lines) based on values entered in the dialog for each of them. Each field refers to one bar/column in your chart.

See here my daily usage of it. In the last update, the script is allowed to fulfill the dialog fields based on paragraphs of a text frame (so, of course, you must select the text frame AND the rectangles or graphic lines). To work properly, the text frame must have the paragraphs quantity exactly the same as the number of rectangles/lines in the selection.

A custom script to help you accomplish your goals in Adobe InDesign.