-89.87% is the change from 869 to 88
Calculation steps:
[( 88 - 869 ) ÷ 869] x 100 = -89.87%
Formula
Percentage change = [(88 - 869) / 869] x 100
Subtract the new number by the original number
88 - 869 = -781
-781 ÷ 869 = -0.8987341772151899
-0.8987341772151899 x 100 = -89.87%