Step-by-step explanation:
Where ΔF is the change in Fahrenheit temperature (final - initial).
For your case:
Initial temperature = 44°F
Final temperature = -56°F
ΔF = -56°F - 44°F = -100°F
ΔC = (-100°F - 32) × 5/9 = -73.33°C
The temperature change is approximately -73.33°C.