On Saturday, some adults and some children were in a football stadium. The ratio of the number of adults to the number of children was 22:3
Each person had a seat in the Home or Away stands.
4/5 of the children had seats in the Home stand.
318 children had seats in an Away stand.
There are exactly 15800 seats in the football stadium.
What percentage of the seats were occupied during this match?
Give your answer to 1DP.