Question 1026435: 40 is what percent less than 400?
Answer by Theo(13342)   (Show Source):
You can put this solution on YOUR website! you go from 400 to 40.
the drop in value is 400 - 40 = 360.
360 / 400 = .9
the new value is 90% less than the original value.
the new value is 10% of the original value because 40 / 400 = .10 = 10%.
if you start off with 100% and you wind up with 10%, your drop in value is 90%.
40 is 90% less than 400.
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