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Percentage difference equals the absolute value of the change in value, divided by the average of the 2 numbers, all multiplied by 100. We then append the percent sign, %, to designate the % difference. From Middle English difference, from Old French what is the difference between an asset andan expense difference, from Latin differentia (“difference”), from differēns (“different”), present participle of differre. Morphologically differ +‎ -ence.

• Morphologically differ +‎ -ence.
• Percentage difference equals the absolute value of the change in value, divided by the average of the 2 numbers, all multiplied by 100.
• From Middle English difference, from Old French difference, from Latin differentia (“difference”), from differēns (“different”), present participle of differre.