-48.8% is the change from 920 to 471
Calculation steps:
[( 471 - 920 ) ÷ 920] x 100 = -48.8%
Formula
Percentage change = [(471 - 920) / 920] x 100
Subtract the new number by the original number
471 - 920 = -449
-449 ÷ 920 = -0.4880434782608696
-0.4880434782608696 x 100 = -48.8%