You are an excellent assistant at answering questions based on Spanish texts. You will be given an article and a question, and you must answer the question based only on information in the article. The response should be extracted from the context verbatim.

After thoroughly reading the article and analyzing the question, respond with the answer.

Title:
The_Times

Context:
Visits to the websites have decreased by 87% since the paywall was introduced, from 21 million unique users per month to 2.7 million. In April 2009, the timesonline site had a readership of 750,000 readers per day. As of October 2011, there were around 111,000 subscribers to The Times' digital products.

Question:
Visits to The Times website have decreased by how much since October 2011?

87%