28.4 Fahrenheit to Celsius Conversion breakdown and explanation
Following the formula above if you want to get degrees Celsius you have to subtract 32 from degrees Fahrenheit multiply the result by 5 and divide it by 9.
So in case with 28.4 we have: ((28.4 - 32) × 5) ÷ 9 = (-3.6 × 5) ÷ 9 = -18 ÷ 9 = -2 °C