The stats show enough for 150 spirits, but only 149 spirits

The stats show enough for 150 spirits, but only 149 spirits

+1 to Spirit for every 8 Energy Shield on Equipped Body Armour
+1 to Spirit for every 20 Evasion Rating on Equipped Body Armour
Cannot gain Spirit from Equipmen

Equipment attributes Evasion Rating: 1530 Energy Shield: 588
1530/20 = 76.5 588/8 = 73.5 76.5 + 73.5 = 150 Why only 149