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CalcWolf Math Calculadora de Cambio Porcentual
Math

Calculate Percent Increase or Decrease

Find the percentage change between two values. See if the change is an increase or decrease and by how much.

📅 Updated April 2026 Formula verified 📖 4 min read 🆓 Free · No sign-up

La Fórmula

Cambio % = ((Nuevo - Original) ÷ Original) × 100. De $50 a $65: ((65-50)÷50)×100 = 30% de aumento. De $80 a $60: ((60-80)÷80)×100 = -25% de disminución. Nota importante: un aumento del 50% seguido de una disminución del 50% NO te devuelve al original. $100 +50% = $150. $150 -50% = $75. Necesitas un aumento del 100% para revertir una disminución del 50%.

Aplicaciones Comunes

Inversiones: "mis acciones subieron 15%" = tu portafolio de $10,000 ahora vale $11,500. Descuentos: "30% off" en un artículo de $80 = $56. Inflación: precios subieron 3% = tu poder adquisitivo bajó 3%. Propinas: 20% de $45 = $9. El cambio porcentual es la forma más universal de expresar diferencias relativas — más útil que números absolutos cuando comparas cosas de diferente escala.

⚡ CalcWolf Insight

Percentage change is one of the most commonly needed calculations in business, finance, and academics. "Percent increase calculator" and "percentage change calculator" combine for 100K+ monthly searches. Users include students, analysts, investors, and journalists verifying claims.

Frequently asked questions
¿Cómo calculo el cambio porcentual?
((Nuevo - Original) ÷ Original) × 100. De 200 a 250: ((250-200)÷200)×100 = 25% de aumento. De 200 a 150: -25% de disminución.
¿Por qué un +50% y -50% no se cancelan?
Porque se calculan sobre bases diferentes. $100 +50% = $150 (base $100). $150 -50% = $75 (base $150). Para recuperar una pérdida del 50%, necesitas ganar 100%. Para una pérdida del 20%, necesitas ganar 25%.
✓ Math logic verified against primary sources → See our verification process
Kevin Glover
Founder, CalcWolf · GLVTS · Blickr
All formulas sourced from primary references — IRS publications, peer-reviewed research, and official standards. Results are tested against independent reference calculators before publishing. Rates and brackets updated when official sources change. Editorial policy →
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