-51.04% is the change from 911 to 446
Calculation steps:
[( 446 - 911 ) ÷ 911] x 100 = -51.04%
Formula
Percentage change = [(446 - 911) / 911] x 100
Subtract the new number by the original number
446 - 911 = -465
-465 ÷ 911 = -0.5104281009879253
-0.5104281009879253 x 100 = -51.04%