-99.32% is the change from 438 to 3
Calculation steps:
[( 3 - 438 ) ÷ 438] x 100 = -99.32%
Formula
Percentage change = [(3 - 438) / 438] x 100
Subtract the new number by the original number
3 - 438 = -435
-435 ÷ 438 = -0.9931506849315068
-0.9931506849315068 x 100 = -99.32%