math
posted by Anonymous .
Original amount $ 90
New amount $84.50 find the percent of increase or decrease

84.5 < 90
Decrese
[ 1  ( 84.5 / 90 ) ] * 100 % =
( 1  0.938888 ... ) * 100 % =
0.061111 ... * 100 % = 6.1111 %
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