The system of local welfare schemes was set up to provide emergency help to…

The system of local welfare schemes was set up to provide emergency help to England's poorest families, especially during benefit delays, sanctions, or domestic crises.

A survey by Church Action on Poverty found that many council-run schemes had shut down since 2013, while others had sharply reduced spending.

The passage argues that the collapse of local welfare would put vulnerable people at greater risk of hunger, debt and hardship.

Which part of the sentence contains a grammatical error: 'A survey of more than 150 council-run schemes by Church Action on Poverty found that nearly a quarter had been shutted down since 2013, while a further quarter have reduced spending by 85% or more'?