-35.14% is the change from 663 to 430
Calculation steps:
[( 430 - 663 ) ÷ 663] x 100 = -35.14%
Formula
Percentage change = [(430 - 663) / 663] x 100
Subtract the new number by the original number
430 - 663 = -233
-233 ÷ 663 = -0.3514328808446455
-0.3514328808446455 x 100 = -35.14%