-49.32% is the change from 438 to 222
Calculation steps:
[( 222 - 438 ) ÷ 438] x 100 = -49.32%
Formula
Percentage change = [(222 - 438) / 438] x 100
Subtract the new number by the original number
222 - 438 = -216
-216 ÷ 438 = -0.4931506849315068
-0.4931506849315068 x 100 = -49.32%