-25.77% is the change from 388 to 288
Calculation steps:
[( 288 - 388 ) ÷ 388] x 100 = -25.77%
Formula
Percentage change = [(288 - 388) / 388] x 100
Subtract the new number by the original number
288 - 388 = -100
-100 ÷ 388 = -0.25773195876288657
-0.25773195876288657 x 100 = -25.77%