-4,1-(156•311+825:0,4)

Compute step by step (using comma as decimal separator):

• 156 × 311 = 48 516
• 825 ÷ 0,4 = 2 062,5
• Inside parentheses: 48 516 + 2 062,5 = 50 578,5
• Then: -4,1 − 50 578,5 = -50 582,6

Final result: -50 582,6 (i.e., -50582,6).