-23.45% is the change from 388 to 297
Calculation steps:
[( 297 - 388 ) ÷ 388] x 100 = -23.45%
Formula
Percentage change = [(297 - 388) / 388] x 100
Subtract the new number by the original number
297 - 388 = -91
-91 ÷ 388 = -0.2345360824742268
-0.2345360824742268 x 100 = -23.45%