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To calculate relative percent difference (RPD), take the difference between the final and initial value and divide it by the sum of the values over 2, then multiply by 100.
What is mean relative percent difference?
Relative percent difference or “RPD” means a comparative statistic used to calculate precision or random error. RPD is calculated using the following equation: RPD = absolute value (primary sample measurement - duplicate sample measurement) / ([primary sample measurement + duplicate sample measurement] / 2) × 100.
How do you calculate relative percentage change?
Relative change shows the change of a value of an indicator in the first period and in percentage terms, i.e., Relative change is calculated by subtracting the value of the indicator in the first period from the value of the indicator in the second period which is then divided by the value of the indicator in the first ...
