-34.47% is the change from 438 to 287
Calculation steps:
[( 287 - 438 ) ÷ 438] x 100 = -34.47%
Formula
Percentage change = [(287 - 438) / 438] x 100
Subtract the new number by the original number
287 - 438 = -151
-151 ÷ 438 = -0.3447488584474886
-0.3447488584474886 x 100 = -34.47%