How to Calculate the Change
Subtract the old value (40) from the new value (80), divide by the absolute value of the old value, and multiply by 100.
((80 - 40) ÷ 40) × 100 = 100%
This represents a 100% increase
Subtract the old value (40) from the new value (80), divide by the absolute value of the old value, and multiply by 100.
((80 - 40) ÷ 40) × 100 = 100%
Loading interactive calculator...