pandas.core.groupby.DataFrameGroupBy.pct_change#
- DataFrameGroupBy.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.groupby
- Apply a function groupby to a Series. 
- DataFrame.groupby
- Apply a function groupby to each row or column of a DataFrame.