-73.71% is the change from 388 to 102
Calculation steps:
[( 102 - 388 ) ÷ 388] x 100 = -73.71%
Formula
Percentage change = [(102 - 388) / 388] x 100
Subtract the new number by the original number
102 - 388 = -286
-286 ÷ 388 = -0.7371134020618557
-0.7371134020618557 x 100 = -73.71%