50% Whole wheat sourdough bread at home open crumb slow fermentation, step by step,video No 8

Recipe ingredients:
250 gr. (2+1/4 cups) White strong flour
250 gr. (2+1/4 cups) Whole wheat flour
400 gr. (2+1/2 cups) Water (80%)
120 gr. Sourdough starter (24%)
9 gr. (1 tbsp) Sea salt (1,8%)

Calculation of humidity percentage:
Total flour: 250+250+60(starter)=560gr.
Wet materials: 400+60(starter) = 460 gr.
Final % humidity: 460/560 =82,1%