-87.54% is the change from 658 to 82
Calculation steps:
[( 82 - 658 ) ÷ 658] x 100 = -87.54%
Formula
Percentage change = [(82 - 658) / 658] x 100
Subtract the new number by the original number
82 - 658 = -576
-576 ÷ 658 = -0.8753799392097265
-0.8753799392097265 x 100 = -87.54%