percentages Flashcards
1
Q
original amount
A
(reverse percentage)
new amount/(1±%/100)
2
Q
percentage change
A
(increase or decrease)
difference/original * 100
3
Q
percentage score
A
score/total available * 100
original amount
(reverse percentage)
new amount/(1±%/100)
percentage change
(increase or decrease)
difference/original * 100
percentage score
score/total available * 100