-66.94% is the change from 248 to 82
Calculation steps:
[( 82 - 248 ) ÷ 248] x 100 = -66.94%
Formula
Percentage change = [(82 - 248) / 248] x 100
Subtract the new number by the original number
82 - 248 = -166
-166 ÷ 248 = -0.6693548387096774
-0.6693548387096774 x 100 = -66.94%