Change the look of table text in Numbers on Mac
You can change the look of text for the entire table or just for specific table cells.
Change the font, size, and color of table text
In the Format sidebar, click the Text tab.
Click the Style button, then use the text controls in the Font section to change the font, size, color, or character style (such as bold or italic).
Note: To apply a character style from the Character Style pop-up menu, select just the text you want to change. You can’t choose a style from this menu if a cell, row, column, or the entire table is selected.
Change the font size for all table text
You can increase or decrease the font size proportionally for all text in the table
Click the table, then in the Format sidebar, click the Table tab.
Click the buttons in the Table Font Size section of the sidebar.