-41.63% is the change from 430 to 251
Calculation steps:
[( 251 - 430 ) ÷ 430] x 100 = -41.63%
Formula
Percentage change = [(251 - 430) / 430] x 100
Subtract the new number by the original number
251 - 430 = -179
-179 ÷ 430 = -0.41627906976744183
-0.41627906976744183 x 100 = -41.63%