-47.42% is the change from 911 to 479
Calculation steps:
[( 479 - 911 ) ÷ 911] x 100 = -47.42%
Formula
Percentage change = [(479 - 911) / 911] x 100
Subtract the new number by the original number
479 - 911 = -432
-432 ÷ 911 = -0.47420417124039516
-0.47420417124039516 x 100 = -47.42%