-91.8% is the change from 1000 to 82
Calculation steps:
[( 82 - 1000 ) ÷ 1000] x 100 = -91.8%
Formula
Percentage change = [(82 - 1000) / 1000] x 100
Subtract the new number by the original number
82 - 1000 = -918
-918 ÷ 1000 = -0.918
-0.918 x 100 = -91.8%