-95.81% is the change from 430 to 18
Calculation steps:
[( 18 - 430 ) ÷ 430] x 100 = -95.81%
Formula
Percentage change = [(18 - 430) / 430] x 100
Subtract the new number by the original number
18 - 430 = -412
-412 ÷ 430 = -0.958139534883721
-0.958139534883721 x 100 = -95.81%