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A percentage represents a ratio as parts per hundred. The % symbol evolved from "per cento" (Italian for "per hundred"). Percentages appear in discounts, tax rates, test scores, nutrition labels, and statistics.
Steg-för-steg-guide
- 1Part / Whole × 100 = Percentage
- 2To find the part: Percentage × Whole / 100
- 3To find the whole: Part / (Percentage / 100)
Lösta exempel
Ingång
15% of 200
Resultat
30
(15/100)×200=30
Ingång
45 is ?% of 180
Resultat
25%
(45/180)×100=25%
Ingång
50 → 65, % change
Resultat
+30%
((65-50)/50)×100=30%