-70.07% is the change from 274 to 82
Calculation steps:
[( 82 - 274 ) ÷ 274] x 100 = -70.07%
Formula
Percentage change = [(82 - 274) / 274] x 100
Subtract the new number by the original number
82 - 274 = -192
-192 ÷ 274 = -0.7007299270072993
-0.7007299270072993 x 100 = -70.07%