-95.36% is the change from 388 to 18
Calculation steps:
[( 18 - 388 ) ÷ 388] x 100 = -95.36%
Formula
Percentage change = [(18 - 388) / 388] x 100
Subtract the new number by the original number
18 - 388 = -370
-370 ÷ 388 = -0.9536082474226805
-0.9536082474226805 x 100 = -95.36%