def METHOD_NAME(queryset):
    """
    Calculate the average annual percentage increase
    """
    increase_dict = {}
    household_class = HouseholdClass.objects.all()
    filtered_queryset = is_range(household_class, queryset)
    classes = {results["household_class__name"]: {} for results in filtered_queryset}
    for k, v in classes.items():
        for results in filtered_queryset:
            if results["household_class__name"] == k:
                v[results["financial_year__budget_year"]] = results["total"]
    for k, v in classes.items():
        years = list(v.keys())
        years.sort()
        start_year = years[0]
        final_year = years[-1]
        if start_year:
            percent = (((v[final_year] - v[start_year]) / v[start_year]) * 100) / len(
                years
            )
            if percent > 0:
                increase_dict[k] = round(percent, 2)
            else:
                increase_dict[k] = None
    increase_dict = {key.split(" ")[0]: values for key, values in increase_dict.items()}
    return increase_dict