-43.3% is the change from 388 to 220
Calculation steps:
[( 220 - 388 ) ÷ 388] x 100 = -43.3%
Formula
Percentage change = [(220 - 388) / 388] x 100
Subtract the new number by the original number
220 - 388 = -168
-168 ÷ 388 = -0.4329896907216495
-0.4329896907216495 x 100 = -43.3%