pandas.core.groupby.GroupBy.pct_change¶
- final GroupBy.pct_change(periods=1, fill_method='ffill', limit=None, freq=None, axis=0)[source]¶
 Calculate pct_change of each value to previous entry in group.
- Returns
 - Series or DataFrame
 Percentage changes within each group.
See also
Series.groupbyApply a function groupby to a Series.
DataFrame.groupbyApply a function groupby to each row or column of a DataFrame.