Data task 127: A health-service planning team needs a rapid, accurate calculation from the stated data. The setting is a diagnostic unit. An indicator rises from 229 to 255. What is the percentage increase to one decimal place?

Data task 127: A health-service planning team needs a rapid, accurate calculation from the stated data. The setting is a diagnostic unit. An indicator rises from 229 to 255. What is the percentage increase to one decimal place?

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