-89.91% is the change from 862 to 87
Calculation steps:
[( 87 - 862 ) ÷ 862] x 100 = -89.91%
Formula
Percentage change = [(87 - 862) / 862] x 100
Subtract the new number by the original number
87 - 862 = -775
-775 ÷ 862 = -0.8990719257540604
-0.8990719257540604 x 100 = -89.91%