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How do you find the percent change given the original number is 25 and new number is 10?

1 Answer

Mar 21, 2017

Percentage change: #color(green)(-60%)#

Explanation:

The change from #25# to #10# is #(10-25)=color(magenta)(-15)#
(change is always measured as "new value" minus "original value").

As a percentage of the original value, #color(magneta)(-15)# is
#color(white)("XXX")color(magenta)(-15)/25 xx100% =color(green)(-60%)#

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