-54.57% is the change from 438 to 199
Calculation steps:
[( 199 - 438 ) ÷ 438] x 100 = -54.57%
Formula
Percentage change = [(199 - 438) / 438] x 100
Subtract the new number by the original number
199 - 438 = -239
-239 ÷ 438 = -0.545662100456621
-0.545662100456621 x 100 = -54.57%