-80.41% is the change from 388 to 76
Calculation steps:
[( 76 - 388 ) ÷ 388] x 100 = -80.41%
Formula
Percentage change = [(76 - 388) / 388] x 100
Subtract the new number by the original number
76 - 388 = -312
-312 ÷ 388 = -0.8041237113402062
-0.8041237113402062 x 100 = -80.41%