I would say that it hasn't increased 20% because 1. if the starting percentage was 18%, you would see a larger precentage but that isn't the case.
Rangi, the Sky Father, held his beloved, Papa, and together they bore many sons who were not human, but rather elements of nature. These sons loved their parents, but Rangi and Papa's embrace was so tight that they had no space to move or to lead their lives. They lay in the darkness, constricted and unhappy.
