Crazy thing is there's different values on the different dashboard screens (in my Connect atleast). See my screen shots from a run I did last Wednesday with the forerunner 735XT.
Step count calories (1960) are different from the activity screen (3968) ... What's going on?
For comparison... Strava counts this for my run: 1218 (k?)cal
Endomondo sais 947 KCal (notice the Kcal I thought other values are KiloCalories as well))
Opening the activity itself in Garmin Connect shows Garmin and Endomondo agree with eachother... Garmin Connect now sais 947 ???