lillybeth
Junior Member
- Joined
- Nov 1, 2012
- Messages
- 211
Hello everybody!!! I need help with understanding how to find percent change.
My book gives this formula: (amount of change/original amount) * 100%
For a problem that looks like this: 80 to 100, I usually just do 20/80, which is equal to 25% (which my book's answer key tells me I am correct)
Soooo.
For a problem that reads 200 to 100, would you do 100/200, or -100/200??
And one more thing:
The formula our book tells us to use says to multiply the amount of change divided by the original amount by 100% (1.00).
What is the point of multiplying by one??
Thank you guys!!!
All help will be greatly appreciated!!!
My book gives this formula: (amount of change/original amount) * 100%
For a problem that looks like this: 80 to 100, I usually just do 20/80, which is equal to 25% (which my book's answer key tells me I am correct)
Soooo.
For a problem that reads 200 to 100, would you do 100/200, or -100/200??
And one more thing:
The formula our book tells us to use says to multiply the amount of change divided by the original amount by 100% (1.00).
What is the point of multiplying by one??
Thank you guys!!!
All help will be greatly appreciated!!!
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