-90.68% is the change from 880 to 82
Calculation steps:
[( 82 - 880 ) ÷ 880] x 100 = -90.68%
Formula
Percentage change = [(82 - 880) / 880] x 100
Subtract the new number by the original number
82 - 880 = -798
-798 ÷ 880 = -0.9068181818181819
-0.9068181818181819 x 100 = -90.68%