-51.29% is the change from 388 to 189
Calculation steps:
[( 189 - 388 ) ÷ 388] x 100 = -51.29%
Formula
Percentage change = [(189 - 388) / 388] x 100
Subtract the new number by the original number
189 - 388 = -199
-199 ÷ 388 = -0.5128865979381443
-0.5128865979381443 x 100 = -51.29%