-21.86% is the change from 430 to 336
Calculation steps:
[( 336 - 430 ) ÷ 430] x 100 = -21.86%
Formula
Percentage change = [(336 - 430) / 430] x 100
Subtract the new number by the original number
336 - 430 = -94
-94 ÷ 430 = -0.2186046511627907
-0.2186046511627907 x 100 = -21.86%