-3.53% is the change from 85 to 82
Calculation steps:
[( 82 - 85 ) ÷ 85] x 100 = -3.53%
Formula
Percentage change = [(82 - 85) / 85] x 100
Subtract the new number by the original number
82 - 85 = -3
-3 ÷ 85 = -0.03529411764705882
-0.03529411764705882 x 100 = -3.53%