-77.55% is the change from 392 to 88
Calculation steps:
[( 88 - 392 ) ÷ 392] x 100 = -77.55%
Formula
Percentage change = [(88 - 392) / 392] x 100
Subtract the new number by the original number
88 - 392 = -304
-304 ÷ 392 = -0.7755102040816326
-0.7755102040816326 x 100 = -77.55%