-50.23% is the change from 430 to 214
Calculation steps:
[( 214 - 430 ) ÷ 430] x 100 = -50.23%
Formula
Percentage change = [(214 - 430) / 430] x 100
Subtract the new number by the original number
214 - 430 = -216
-216 ÷ 430 = -0.5023255813953489
-0.5023255813953489 x 100 = -50.23%