-93.04% is the change from 388 to 27
Calculation steps:
[( 27 - 388 ) ÷ 388] x 100 = -93.04%
Formula
Percentage change = [(27 - 388) / 388] x 100
Subtract the new number by the original number
27 - 388 = -361
-361 ÷ 388 = -0.9304123711340206
-0.9304123711340206 x 100 = -93.04%