-70.18% is the change from 275 to 82
Calculation steps:
[( 82 - 275 ) ÷ 275] x 100 = -70.18%
Formula
Percentage change = [(82 - 275) / 275] x 100
Subtract the new number by the original number
82 - 275 = -193
-193 ÷ 275 = -0.7018181818181818
-0.7018181818181818 x 100 = -70.18%