-18.72% is the change from 438 to 356
Calculation steps:
[( 356 - 438 ) ÷ 438] x 100 = -18.72%
Formula
Percentage change = [(356 - 438) / 438] x 100
Subtract the new number by the original number
356 - 438 = -82
-82 ÷ 438 = -0.1872146118721461
-0.1872146118721461 x 100 = -18.72%