How much of free will do we really have in our lives?

According to the science of Spirituality, on an average in the present era 65% of our lives are ruled by destiny and 35% by wilful action (freedom to choose). Destiny is that part of our life where we have no control over life’s situations. Wilful action is that part of our life over which we have control.
Astrology can only perceive to some extent what is in one’s destiny and how a person will be likely to use his wilful action based on his basic nature. Ordinarily one cannot dodge destiny even if one knew it. However since destiny is inherently a spiritual factor it can be overcome by spiritual means only, that is by spiritual practice or the grace of a Guru (i.e. a spiritual master above the spiritual level of 70%).
What is the benefit to us if we know the severity of our destiny?
On knowing the severity of our destiny, we can do a corresponding amount of spiritual practice to overcome it completely or be insulated from it. In the case of severe destiny, at least we can be forewarned and thus can be forearmed and mentally prepared. Please refer to the diagram below on the type of destiny and the means to overcome it.