Is that 0.7kg for the whole month or average per week? Can't quite see a plateau on your chart. Sometimes bodies just need a break after losing steady for ages. Check your TDEE - you might be underfueling or overfueling now that you've lost the weight. Also check if your measurements are still dropping even if the scale isn't.
Starting at 288 at 64 and the protocol still producing meaningful results is the long-game story. 260 to 142 for the OP is what it looks like played all the way out. How long has the current protocol been running and where is the next goal?