-89.04% is the change from 438 to 48
Calculation steps:
[( 48 - 438 ) ÷ 438] x 100 = -89.04%
Formula
Percentage change = [(48 - 438) / 438] x 100
Subtract the new number by the original number
48 - 438 = -390
-390 ÷ 438 = -0.8904109589041096
-0.8904109589041096 x 100 = -89.04%