-86.26% is the change from 597 to 82
Calculation steps:
[( 82 - 597 ) ÷ 597] x 100 = -86.26%
Formula
Percentage change = [(82 - 597) / 597] x 100
Subtract the new number by the original number
82 - 597 = -515
-515 ÷ 597 = -0.8626465661641541
-0.8626465661641541 x 100 = -86.26%