def normalize_coordinates(cluster_info_dataframe):
    """
    All coordinate values will be arranged between -100 and 100.
    The maximum value of each coordinate will be assumed as 100, then all the
    values will me arrange following a proportional distortion.
    """
    max_values = cluster_info_dataframe.max()
    cluster_info_dataframe['x'] *= 100 / max_values['x']
    cluster_info_dataframe['y'] *= 100 / max_values['y']
    return cluster_info_dataframe
