-84.63% is the change from 566 to 87
Calculation steps:
[( 87 - 566 ) ÷ 566] x 100 = -84.63%
Formula
Percentage change = [(87 - 566) / 566] x 100
Subtract the new number by the original number
87 - 566 = -479
-479 ÷ 566 = -0.8462897526501767
-0.8462897526501767 x 100 = -84.63%