-46.32% is the change from 911 to 489
Calculation steps:
[( 489 - 911 ) ÷ 911] x 100 = -46.32%
Formula
Percentage change = [(489 - 911) / 911] x 100
Subtract the new number by the original number
489 - 911 = -422
-422 ÷ 911 = -0.4632272228320527
-0.4632272228320527 x 100 = -46.32%