-21.15% is the change from 104 to 82
Calculation steps:
[( 82 - 104 ) ÷ 104] x 100 = -21.15%
Formula
Percentage change = [(82 - 104) / 104] x 100
Subtract the new number by the original number
82 - 104 = -22
-22 ÷ 104 = -0.21153846153846154
-0.21153846153846154 x 100 = -21.15%