Challenge in the first week of July, a record 1,040 people went to the local swimming pool. In the second week, 105 fewer people went to the pool than in the first week. In the third week, 135 more
people went to the pool than in the second week. In the fourth week, 238 fewer people went to the
pool than in the third week. What is the percent decrease in the number of people who went to the
pool over these four weeks?
The percent decrease of people who went to the pool is %.