-84.53% is the change from 530 to 82
Calculation steps:
[( 82 - 530 ) ÷ 530] x 100 = -84.53%
Formula
Percentage change = [(82 - 530) / 530] x 100
Subtract the new number by the original number
82 - 530 = -448
-448 ÷ 530 = -0.8452830188679246
-0.8452830188679246 x 100 = -84.53%