-86.69% is the change from 616 to 82
Calculation steps:
[( 82 - 616 ) ÷ 616] x 100 = -86.69%
Formula
Percentage change = [(82 - 616) / 616] x 100
Subtract the new number by the original number
82 - 616 = -534
-534 ÷ 616 = -0.8668831168831169
-0.8668831168831169 x 100 = -86.69%