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Percent of Change

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Sherry Beach

on 22 September 2016

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Transcript of Percent of Change

Company Logo
Percent Increase & Percent Decrease
Percent of Change
What are some numbers that change in our lives?
Increase or Decrease?
Your weight went from 95lbs to 135lbs

Move the decimal 2 places to the RIGHT
miles traveled
Let's take a look at how these numbers can change.
Your weight went from 95lbs to 135lbs.
Your grade went from a 56% to 87%.
Your allowance went from $20 to $14.
Attendance went from 75 to 120.
You can calculate this increase or decrease as a percent (%)
Let's take a look how easy it is to calculate Percent Increase and Percent Decrease
(Percent of Change)
Amount of Change
Which numbers increased and
which decreased?
Original Amount
135 - 95
Your weight increases 95lbs to 135lbs
40 : 95
How do you change a
decimal to a percent?
42.1% or 42%
Your weight increased 42%

95lbs to 135lbs is a 42% increase,
Full transcript