Excel Formula To Calculate Percent Change Vs 30 Rows Ago In Analytics Event Text
Calculate percent change versus 30 rows earlier in analytics event text with a ready-to-use formula for Excel, Google Sheets, and WPS.
Quick answer
Unified formula
ExcelGoogle SheetsWPS
=IFERROR((A2-INDEX(A:A,ROW()-30))/INDEX(A:A,ROW()-30),0)How it works
- Replace the sample range (like A2:A) with your real range.
- Keep the same column order used in the example.
- Fill down to apply the formula to every row.