Refer to the equations below for clarification. If you have to turn a percentage into a decimal just divide by 100. Calculating the Percentage of a Whole.
The absolute value of the error is divided by an accepted value and given as a percent.
So 10 of 150 10100 150 15. For many applications percent error is always expressed as a positive value. Before knowing about how to calculate a percentage let us know what a percentage is. Where E is the experimental value and T is the theoretical value.