Percentage in 1 Shot | From Basic to Advanced in 50 min | Brain Development
Percentages are a way of expressing a part of something compared to the whole, and it's usually out of 100. So, when you see a percentage, it's like saying how much of something you have out of 100.
For example, if you have 50 out of 100 apples, you can say you have 50%. If you have 75 out of 100 marbles, you have 75%.
To find a percentage of a number, you usually multiply the number by the percentage as a decimal. For instance, to find 20% of 50, you multiply 50 by 0.20, which equals 10.
To increase or decrease a number by a percentage, you can add or subtract that percentage of the original number. For instance, to increase a number by 10%, you add 10% of the original number to the original number.
And remember, percentages are used in lots of everyday situations, like discounts at stores, calculating grades, or even understanding how much tax you need to pay!
1. *Calculating Percentages:*
2. *Percentage Change:*
3. *Discounts and Markups:*
4. *Compound Interest:*
5. *Percentage Error:*
These are just a few advanced concepts related to percentages. They're widely used in finance, mathematics, science, and many other fields.
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