-48.3% is the change from 911 to 471
Calculation steps:
[( 471 - 911 ) ÷ 911] x 100 = -48.3%
Formula
Percentage change = [(471 - 911) / 911] x 100
Subtract the new number by the original number
471 - 911 = -440
-440 ÷ 911 = -0.4829857299670692
-0.4829857299670692 x 100 = -48.3%