-84.76% is the change from 538 to 82
Calculation steps:
[( 82 - 538 ) ÷ 538] x 100 = -84.76%
Formula
Percentage change = [(82 - 538) / 538] x 100
Subtract the new number by the original number
82 - 538 = -456
-456 ÷ 538 = -0.8475836431226765
-0.8475836431226765 x 100 = -84.76%