# What is the percent decrease from 42 to 27?

## 35.7143%

## (Percent decrease from 42 to 27 is 35.7143 percent)

### Percent decrease from 42 to 27 is 35.7143 percent! Explanation: What does 35.7143 percent or 35.7143% mean?

Percent (%) is an abbreviation for the Latin “per centum”, which means per hundred or for every hundred. So, 35.7143% means 35.7143 out of every 100. For example, if you decrease 42 by 35.7143% then it will become 27.

### Methods to calculate "What is the percent decrease from 42 to 27" with step by step explanation:

#### Method: Use the Percent Decrease Calculator formula (Old Number - New Number/Old Number)*100 to calculate "What is the percent decrease from 42 to 27".

- From the New Number deduct Old Number i.e. 42-27 = 15
- Divide above number by Old Number i.e. 15/42 = 0.357143
- Multiply the result by 100 i.e. 0.357143*100 = 35.7143%

#### Answer: Percent decrease from 42 to 27 is 35.7143 percent

### Percentage examples

Percentages express a proportionate part of a total. When a total is not given then it is assumed to be 100. E.g. 42% (read as 42 percent) can also be expressed as 42/100 or 42:100.Example: If 42% (42 percent) of your savings are invested in stocks, then 42 out of every 100 dollars are invested in stocks. If your savings are $10,000, then a total of 42*100 (i.e. $4200) are invested in stocks.

### Calculate percentages in your head

At times you need to calculate a tip in a restaurant, or how to split money between friends in your head, that is without any calculator or pen and paper.Many a time, it is quite easy if you break it down to smaller chunks. You should know how to find 1%, 10% and 50%. After that finding percentages becomes pretty easy.

- To find 5%, find 10% and divide it by two
- To find 11%, find 10%, then find 1%, then add both values
- To find 15%, find 10%, then add 5%
- To find 20%, find 10% and double it
- To find 25%, find 50% and then halve it
- To find 26%, find 25% as above, then find 1%, and then add these two values
- To find 60%, find 50% and add 10%
- To find 75%, find 50% and add 25%
- To find 95%, find 5% and then deduct it from the number

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