-89.23% is the change from 808 to 87
Calculation steps:
[( 87 - 808 ) ÷ 808] x 100 = -89.23%
Formula
Percentage change = [(87 - 808) / 808] x 100
Subtract the new number by the original number
87 - 808 = -721
-721 ÷ 808 = -0.8923267326732673
-0.8923267326732673 x 100 = -89.23%