-48.75% is the change from 919 to 471
Calculation steps:
[( 471 - 919 ) ÷ 919] x 100 = -48.75%
Formula
Percentage change = [(471 - 919) / 919] x 100
Subtract the new number by the original number
471 - 919 = -448
-448 ÷ 919 = -0.48748639825897716
-0.48748639825897716 x 100 = -48.75%