-89.56% is the change from 862 to 90
Calculation steps:
[( 90 - 862 ) ÷ 862] x 100 = -89.56%
Formula
Percentage change = [(90 - 862) / 862] x 100
Subtract the new number by the original number
90 - 862 = -772
-772 ÷ 862 = -0.8955916473317865
-0.8955916473317865 x 100 = -89.56%