-89.76% is the change from 869 to 89
Calculation steps:
[( 89 - 869 ) ÷ 869] x 100 = -89.76%
Formula
Percentage change = [(89 - 869) / 869] x 100
Subtract the new number by the original number
89 - 869 = -780
-780 ÷ 869 = -0.8975834292289988
-0.8975834292289988 x 100 = -89.76%