Finding Percentage Difference

Introduction:

            Percentage is expressing any number in a fraction with the denominator as 100. The symbol used for the percentage is ‘%’. Percentage difference is defined as the comparing a previous value to the new value and the percent difference.
Formula for percentage difference Calculator = [Previous value – new value] / 100

Word Problem on Find Percentage Difference:

David lived in a United States of America. When David left the country the population was 920 million. David recently heard that the population has decreased by 6%. What is the present population?
Solution:
Find out the decrease percentage 920*6/100 = 5520/100 = 55.2 million
      Then the new population is old population minus the decreased population
      920-55.2 = 864.8 million
      The population is now 864.8 million

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