Definition of Percent difference
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Percent difference Definition from Science & Technology Dictionaries & Glossaries
EIA Energy Glossary
The relative change in a quantity over a specified time period. It is calculated as follows: the current value has the previous value subtracted from it; this new number is divided by the absolute value of the previous value; then this new number is multiplied by 100.Source: Energy Information Administration, 2006
Percent difference Definition from Encyclopedia Dictionaries & Glossaries
Wikipedia English - The Free Encyclopedia
The relative difference, percent difference, relative percent difference, or percentage difference between two quantities is the difference between them, expressed as a comparison to the size of one or both of them. Such measures are unitless numbers. Such measures are often used as a quantitative indicators of quality assurance and quality control for repeated measurements where the outcomes are expected to be the same. Similar terms are percentage change and relative change, which are ways to express a change in a quantity compared to its starting value.
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