pandas.core.groupby.DataFrameGroupBy.pct_change

DataFrameGroupBy.pct_change(periods=1, fill_method='pad', limit=None, freq=None, axis=0) [source]

Calcuate pct_change of each value to previous entry in group

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https://pandas.pydata.org/pandas-docs/version/0.23.4/generated/pandas.core.groupby.DataFrameGroupBy.pct_change.html