-77.32% is the change from 388 to 88
Calculation steps:
[( 88 - 388 ) ÷ 388] x 100 = -77.32%
Formula
Percentage change = [(88 - 388) / 388] x 100
Subtract the new number by the original number
88 - 388 = -300
-300 ÷ 388 = -0.7731958762886598
-0.7731958762886598 x 100 = -77.32%