Here's just counting the Chicken Hatchers, so the Incubator Hatchers are unchanged:
Chicken Hatchers
#eggs = 44 + 4 = 48
#chicks = 22 + 1 = 23
Average Hatch Rate = 45.8%
Incubator Hatchers
#eggs = 38 + 32 = 70
#chicks = 20 + 2 = 22
Average Hatch Rate = 31%
Overall Hatch Rate
#eggs: 118
#chicks: 45
AHR = 38.1%
Chicken Hatchers
#eggs = 44 + 4 = 48
#chicks = 22 + 1 = 23
Average Hatch Rate = 45.8%
Incubator Hatchers
#eggs = 38 + 32 = 70
#chicks = 20 + 2 = 22
Average Hatch Rate = 31%
Overall Hatch Rate
#eggs: 118
#chicks: 45
AHR = 38.1%