-90.88% is the change from 899 to 82
Calculation steps:
[( 82 - 899 ) ÷ 899] x 100 = -90.88%
Formula
Percentage change = [(82 - 899) / 899] x 100
Subtract the new number by the original number
82 - 899 = -817
-817 ÷ 899 = -0.9087875417130145
-0.9087875417130145 x 100 = -90.88%