Use the drop-down arrow to the right of the Name field in order to edit an existing formula. Open the Insert Calculated Item dialog box. Once a year, youвЂ™ll also need to edit the formula for Change to reflect the changing years. This step will change the number format only for the % Change column.

Use the Number group on the Home tab to select a percentage with one decimal place. Instead of using the PivotTable formatting tools, simply select the Percentage Change numbers in cells F3:F10. If you right-click on cell F3 and choose Number Format, youвЂ™ll change the format for all four columns of revenue.

You wouldnвЂ™t think that number formats would be a part of this technique that requires trickery, but with the calculated items, every cell in C3:F10 (see Figure 2) is seen as a Revenue cell. Call this field вЂњ% Change.вЂќ The formula should be = Change / вЂ2018вЂ™. With cell C2, D2, or E2 Вselected, use Insert Calculated Item again. You can use the first calculated item to calculate future calculated items. When you click OK, a new column showing Change will appear in the pivot table. You can then double-click on the 2019 item from the right side of the dialog box to insert вЂ2019вЂ™ in the formula. You need to click at the end of the formula and backspace to remove the zero from the formula. Give the new item a name, such as вЂњChange.вЂќ The formula always starts out as =0. Choose Calculated Item.ДЄ dialog box for Insert Calculated Item in вЂњYearвЂќ will appear.

On the PivotTable Analyze tab, open Fields, Items, and Sets. It might seem subtle, but you have to select one of the column headings for 2018 or 2019 before invoking the command. To calculate the change from 2018 to 2019, use a Calculated Item in the pivot table. As weвЂ™ll see, the process involves using the Calculated Item feature, which isnвЂ™t compatible with the Year created using the Group Field command. ItвЂ™s important to add this field to the original data set and not create the field using Group Field in the Pivot Table. Alternatively, you might use Power QueryвЂ™s Column From Examples feature to add the column. Use вЂњYearвЂќ as the heading, and copy the formula down to all rows of your data. Assuming your data has a date column, add a formula such as =YEAR(C2) to your original data set so thereвЂ™s a separate column showing just the year. After trying it a few times, I found itвЂ™s far more robust than the other methods and can easily adapt after new fields have been added to the row area of the pivot table. But these formulas arenвЂ™t smart enough to expand or contract as the height of the pivot table changes.ДЄt a recent Excel seminar for an IMA В® chapter, someone in the audience showed me a new method. You have to remember to manually unhide the original blank column and hide the new blank column.ДЄnother common option is to use cells to the right of the pivot table to hold regular Excel formulas to calculate the change from the previous year. When you add a new row field, the blank column moves to the right and is no longer hidden. This leaves an extra blank column where the nonexistent change from two years ago should be. An example of an approach IвЂ™ve used in the past is the Percentage Change from Previous method.

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