-81.76% is the change from 488 to 89
Calculation steps:
[( 89 - 488 ) ÷ 488] x 100 = -81.76%
Formula
Percentage change = [(89 - 488) / 488] x 100
Subtract the new number by the original number
89 - 488 = -399
-399 ÷ 488 = -0.8176229508196722
-0.8176229508196722 x 100 = -81.76%