-77.66% is the change from 394 to 88
Calculation steps:
[( 88 - 394 ) ÷ 394] x 100 = -77.66%
Formula
Percentage change = [(88 - 394) / 394] x 100
Subtract the new number by the original number
88 - 394 = -306
-306 ÷ 394 = -0.7766497461928934
-0.7766497461928934 x 100 = -77.66%