-30.74% is the change from 680 to 471
Calculation steps:
[( 471 - 680 ) ÷ 680] x 100 = -30.74%
Formula
Percentage change = [(471 - 680) / 680] x 100
Subtract the new number by the original number
471 - 680 = -209
-209 ÷ 680 = -0.3073529411764706
-0.3073529411764706 x 100 = -30.74%