To nudge a graphic in Excel, first select the graphic. Then, use the arrow keys on your keyboard to nudge the graphic in the direction you want it to go. You can also use the mouse to click and drag the graphic to where you want it to be. If you need to move the graphic a long distance, you can hold down the Shift key while using the arrow keys on your keyboard to move the graphic faster.
If you need to resize the graphic, you can select it and then click and drag one of the handles that appear around the edge of the graphic. To keep the proportions of the graphic the same as you resize it, hold down the Shift key while you click and drag a handle.
Once you have positioned and sized the graphic how you want it, you can add text to it by clicking on it and then typing. If you want to format the text, such as changing its color or font, you can do so by selecting the text and then using the options on the Home tab of the ribbon.