-81.97% is the change from 488 to 88
Calculation steps:
[( 88 - 488 ) ÷ 488] x 100 = -81.97%
Formula
Percentage change = [(88 - 488) / 488] x 100
Subtract the new number by the original number
88 - 488 = -400
-400 ÷ 488 = -0.819672131147541
-0.819672131147541 x 100 = -81.97%