pandas.core.groupby.DataFrameGroupBy.pct_change

DataFrameGroupBy.pct_change(periods=1, fill_method='ffill', limit=None, freq=None, axis=0)

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.

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