IGCSE/GCSE/SAT/All about percentage/Original amount before the percentage gain or loss/ Video#6 

Assalamu Alaikum, welcome to my channel, if you have any questions related to this exercise , please write in the comments.
Video-1 and video-2 for the beginners , how to convert percentages to fractions, fractions to percentages, percentages to decimals or decimals to fractions, simple word problems of percentages.
Video 3 and 4 is all about percentage increase and percentage decrease and explained with the help of very simple and common life examples.
Video 5 is about finding the income tax or sale price based on a certain percentage value of the actual amount.
Video 6 is about finding the original amont or vslue before the percentge gain was added or percentsge loss was subtracted.It will also help the students, how to find the original price of an item before the sale reduction.