-87.31% is the change from 804 to 102
Calculation steps:
[( 102 - 804 ) ÷ 804] x 100 = -87.31%
Formula
Percentage change = [(102 - 804) / 804] x 100
Subtract the new number by the original number
102 - 804 = -702
-702 ÷ 804 = -0.8731343283582089
-0.8731343283582089 x 100 = -87.31%