-59% is the change from 200 to 82
Calculation steps:
[( 82 - 200 ) ÷ 200] x 100 = -59%
Formula
Percentage change = [(82 - 200) / 200] x 100
Subtract the new number by the original number
82 - 200 = -118
-118 ÷ 200 = -0.59
-0.59 x 100 = -59%
Example