-28.96% is the change from 663 to 471
Calculation steps:
[( 471 - 663 ) ÷ 663] x 100 = -28.96%
Formula
Percentage change = [(471 - 663) / 663] x 100
Subtract the new number by the original number
471 - 663 = -192
-192 ÷ 663 = -0.2895927601809955
-0.2895927601809955 x 100 = -28.96%