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6 September, 23:39

Why is 20 to 40 is a 100% increase but 40 to 20 is a 50% decrease

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  1. 7 September, 01:55
    0
    Its because 20 is doubling its self. Its using 100% of its number, While 40 is decreasing by 50%. Half of forty is 20. Half equals 50%.
  2. 7 September, 01:55
    0
    I think it because how the order change
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