Percent Hack

To get your free eBook "How To Calculate Percentages In Your Head", please click the link below:


To join our online course "Turn On The Calculator In Your Head (Basic)", please click the link below:


Following courses will be launched soon:

1. Turn On The Calculator In Your Head (Intermediate)
2. Turn On The Calculator In Your Head (Advance)
3. Fractions, Decimals, Percentages
4. How To Become A Guinness World Record Holder Yourself
5. Abacus Basic (Addition & Subtraction)
6. Green Math (All Math topics from grade 3 to grade 10)

You can reach us at:

Also, feel free to ask if you have any questions.

Ability to calculate in your head can build your confidence and improve your studies like no other skill. And when it does, you earn the opportunity to change lives. Master The Numbers. Help Your Class Fellows.

If you are a student of grade 6 to grade 10, this channel is particularly for you and for all others who want to be able to calculate in their heads? We help you master the numbers, play with them, manipulate them, calculate and handle big numbers in your head, and much more. Wonder what these skills can do to you?

- Boost your confidence.
- Show off. Become life of every gathering.
- Stop struggling in Math.
- Improve grades.
- Break calculations world records.
- Make you look like a genius.
- Most importantly, help others.

Join us!!!

[BobTaile]

A quicker mental arithmetic method is:
Multiply 2, 000 by 4.20 (since 420% is equivalent to 4.20 as a decimal):
A. 2, 000 * 4.20 = 8, 400.

So, 420% of 2, 000 is 8, 400.

[marketyenaachu]

Hi sir,
could you please give a trick for calculating double digit percentage with decimal
eg: 35.50 x 40% / 100 = 14.20 (answer)
since I am in Share Market I need some tricks to calculate percentage very quickly according to the market movement

[dhruba_jyoti_mudoi]

I wish i had this type of videos during my school days. I would have been the brilliant boy in the whole class 😢

[elboritorres]

gotta be kidding me are u for real…after all these yrs i was taught bad in school…took me long to figure this type of math out and u did it less then 10 secs