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Works backwards from a final amount to find the original amount before percentage increase or decrease.
Formel
Original = Final Amount / (1 + Percentage Change/100)
Steg-för-steg-guide
- 1Enter the final amount after percentage change
- 2Input the percentage increase or decrease
- 3Calculate original amount
Lösta exempel
Ingång
Final $120 after 20% increase
Resultat
Original = $100
Reverse discount or markup calculation
Vanliga misstag att undvika
- ✕Using percentage as decimal incorrectly
- ✕Not adjusting formula direction for increases vs decreases
Redo att beräkna? Prova den kostnadsfria Reverse Percentage-kalkylatorn
Prova själv →