-78.33% is the change from 406 to 88
Calculation steps:
[( 88 - 406 ) ÷ 406] x 100 = -78.33%
Formula
Percentage change = [(88 - 406) / 406] x 100
Subtract the new number by the original number
88 - 406 = -318
-318 ÷ 406 = -0.7832512315270936
-0.7832512315270936 x 100 = -78.33%