-50.82% is the change from 911 to 448
Calculation steps:
[( 448 - 911 ) ÷ 911] x 100 = -50.82%
Formula
Percentage change = [(448 - 911) / 911] x 100
Subtract the new number by the original number
448 - 911 = -463
-463 ÷ 911 = -0.5082327113062569
-0.5082327113062569 x 100 = -50.82%