-36.76% is the change from 680 to 430
Calculation steps:
[( 430 - 680 ) ÷ 680] x 100 = -36.76%
Formula
Percentage change = [(430 - 680) / 680] x 100
Subtract the new number by the original number
430 - 680 = -250
-250 ÷ 680 = -0.36764705882352944
-0.36764705882352944 x 100 = -36.76%