What is the formula for percent error?

Answer 1

The formula of percent error is

percent error= Your value/accepted value x 100

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The definition of error is: difference between the accepted true value and the measured value of a quantity or parameter. But this is the absolute error.

The relative (percent error) is:

(measured value - accepted true value) . 100/accepted true value

This value is exprssed as a percentage - %.