-87.34% is the change from 806 to 102
Calculation steps:
[( 102 - 806 ) ÷ 806] x 100 = -87.34%
Formula
Percentage change = [(102 - 806) / 806] x 100
Subtract the new number by the original number
102 - 806 = -704
-704 ÷ 806 = -0.8734491315136477
-0.8734491315136477 x 100 = -87.34%