-81.91% is the change from 481 to 87
Calculation steps:
[( 87 - 481 ) ÷ 481] x 100 = -81.91%
Formula
Percentage change = [(87 - 481) / 481] x 100
Subtract the new number by the original number
87 - 481 = -394
-394 ÷ 481 = -0.8191268191268192
-0.8191268191268192 x 100 = -81.91%