-81.69% is the change from 486 to 89
Calculation steps:
[( 89 - 486 ) ÷ 486] x 100 = -81.69%
Formula
Percentage change = [(89 - 486) / 486] x 100
Subtract the new number by the original number
89 - 486 = -397
-397 ÷ 486 = -0.8168724279835391
-0.8168724279835391 x 100 = -81.69%