-69.74% is the change from 271 to 82
Calculation steps:
[( 82 - 271 ) ÷ 271] x 100 = -69.74%
Formula
Percentage change = [(82 - 271) / 271] x 100
Subtract the new number by the original number
82 - 271 = -189
-189 ÷ 271 = -0.6974169741697417
-0.6974169741697417 x 100 = -69.74%