rapidsai · rapids-bot · Feb 17, 2022 · Dec 1, 2021 · Dec 2, 2021 · Dec 3, 2021
@@ -6364,9 +6364,10 @@ def pct_change(
             )
 
         data = self.fillna(method=fill_method, limit=limit)
-        data_diff = data.diff(periods=periods)  # need to implem. diff method
-        change = data_diff / data.shift(periods=periods, freq=freq)
-        return change
+
+        return data.diff(periods=periods) / data.shift(
+            periods=periods, freq=freq
+        )
 
     def __dataframe__(
         self, nan_as_null: bool = False, allow_copy: bool = True