*The diffusion index summarizes the three percentages (Increase/No change/Decrease) into one number for each question.
It is calculated by adding the percentage of the “Increase” responses to half of the percentage of the “No change”
responses and then multiplying that total by 100. If the index is greater than 50, the attitudes of business owners are positive.
If it is lower than 50, the attitudes of business owners are negative. If it is 50, there is no overall change.
NOTE: Percentages may not add to 100 due to rounding.