-64.35% is the change from 230 to 82
Calculation steps:
[( 82 - 230 ) ÷ 230] x 100 = -64.35%
Formula
Percentage change = [(82 - 230) / 230] x 100
Subtract the new number by the original number
82 - 230 = -148
-148 ÷ 230 = -0.6434782608695652
-0.6434782608695652 x 100 = -64.35%