-29.17% is the change from 665 to 471
Calculation steps:
[( 471 - 665 ) ÷ 665] x 100 = -29.17%
Formula
Percentage change = [(471 - 665) / 665] x 100
Subtract the new number by the original number
471 - 665 = -194
-194 ÷ 665 = -0.29172932330827067
-0.29172932330827067 x 100 = -29.17%