-26.05% is the change from 430 to 318
Calculation steps:
[( 318 - 430 ) ÷ 430] x 100 = -26.05%
Formula
Percentage change = [(318 - 430) / 430] x 100
Subtract the new number by the original number
318 - 430 = -112
-112 ÷ 430 = -0.26046511627906976
-0.26046511627906976 x 100 = -26.05%