Skip to content
Percentage answer

Percent change from 200 to 100

Answer
-50%

Step by step

  1. Subtract the original from the new value: 100 − 200 = -100
  2. Divide by the absolute original: -100 ÷ 200 = -0.5
  3. Multiply by 100: -0.5 × 100 = -50%
  4. The final answer is -50%.

Need a different calculation?

Use the full percentage calculator to plug in any two numbers — it handles every mode at once.

Open the calculator

Related calculations