Answer:
almost all
Explanation:
From around 500 people that boarded the ships heading to the colony, only around 60 people survived the journey. This means that the death rate is more than 80%.
Several factors contributed to this death. Miscalculations of supply made some of them died of hunger in the middle of the journey. A lot of them died from the diseases that infected them on the ship. Since they're stocked in the middle of nowhere, they couldn't find a proper medical help to treat them.
