-34.19% is the change from 430 to 283
Calculation steps:
[( 283 - 430 ) ÷ 430] x 100 = -34.19%
Formula
Percentage change = [(283 - 430) / 430] x 100
Subtract the new number by the original number
283 - 430 = -147
-147 ÷ 430 = -0.34186046511627904
-0.34186046511627904 x 100 = -34.19%