-46.25% is the change from 800 to 430
Calculation steps:
[( 430 - 800 ) ÷ 800] x 100 = -46.25%
Formula
Percentage change = [(430 - 800) / 800] x 100
Subtract the new number by the original number
430 - 800 = -370
-370 ÷ 800 = -0.4625
-0.4625 x 100 = -46.25%