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Percent of increase from 30 to 120
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Percent of increase from 30 to 120

User The Singularity
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Since 120/30=4, and to convert numbers to percentages we move the decimal 2 places to the right, we get 4=400%=the percent 120 is of 30. Since 30 is 100% of itself, we subtract that from 400 to get 300% as our percent increase
User Nickthedude
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