Relier Pairs Percent ReviewVersion en ligne vocabulary and formulas for test review par STEPHANIE GREGORY 1 how to find percent increase or percent decrease 2 simple interest formula 3 interest rate 4 To find the total after tax or gratuity 5 To change a percent to a decimal 6 To change a decimal to a percent 7 interest 8 Principal 9 how to find percent error 10 To find the total after a disccount 11 how to find the percent of a number Move the decimal 2 times to the right I = PRT Multiply the cost by the percent as a decimal, then add it back to cost the % being charged for a loan or the % being earned for investing is/of = %/100 Multiply the cost by the percent as a decimal, the subtract that amount from the cost difference/actual = %/100 Move the decimal two times to the left difference/original = %/100 the amount of money being charged to borrow money or the amount of money earned for investing money the amount of money being invested or the amount of money being borrowed
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