-65.83% is the change from 240 to 82
Calculation steps:
[( 82 - 240 ) ÷ 240] x 100 = -65.83%
Formula
Percentage change = [(82 - 240) / 240] x 100
Subtract the new number by the original number
82 - 240 = -158
-158 ÷ 240 = -0.6583333333333333
-0.6583333333333333 x 100 = -65.83%