-47.49% is the change from 438 to 230
Calculation steps:
[( 230 - 438 ) ÷ 438] x 100 = -47.49%
Formula
Percentage change = [(230 - 438) / 438] x 100
Subtract the new number by the original number
230 - 438 = -208
-208 ÷ 438 = -0.4748858447488584
-0.4748858447488584 x 100 = -47.49%