Percentage Decreases - Methods and Examples

The video tutorial explains percentage decrease, a method to find a percentage of an amount and subtract it from the original. It covers two methods: the unitary method, which is non-calculator based, and the calculator method, which involves converting percentages to decimals. The tutorial also introduces an advanced calculator method using a multiplier. Examples include calculating the decreased value of items like cars and shop discounts. The video emphasizes understanding the concept of taking away from the original amount to ensure the result is less than the starting value.

What is a percentage decrease and how is it calculated?

Explain the unitary method for calculating percentage decrease.

How do you find 1%, 10%, and 5% of an amount?

Describe the calculator method for calculating percentage decrease.

How do you convert a percentage to a decimal for calculations?

What steps would you take to decrease an amount by a certain percentage?

What is the significance of the scale factor in percentage decreases?