Net percentage change graphic is a very easy and important tool to find the the percentage changes in quick time without using copy pen. So, it becomes quite helpful for the competitive exams.
This process is based on 100%, 50%, 10%, 1%, 0.1 % and so forth values of the denominator from the numerator.
Calculation of percentage value through Addition It is the best understandable by an example.
The word percentage or percent means for every one hundred. It is denoted by symbol %. Thus 10 % means 10 out of hundred or 10/100.