-87.99% is the change from 683 to 82
Calculation steps:
[( 82 - 683 ) ÷ 683] x 100 = -87.99%
Formula
Percentage change = [(82 - 683) / 683] x 100
Subtract the new number by the original number
82 - 683 = -601
-601 ÷ 683 = -0.8799414348462665
-0.8799414348462665 x 100 = -87.99%