-35.29% is the change from 663 to 429
Calculation steps:
[( 429 - 663 ) ÷ 663] x 100 = -35.29%
Formula
Percentage change = [(429 - 663) / 663] x 100
Subtract the new number by the original number
429 - 663 = -234
-234 ÷ 663 = -0.35294117647058826
-0.35294117647058826 x 100 = -35.29%