-76.9% is the change from 355 to 82
Calculation steps:
[( 82 - 355 ) ÷ 355] x 100 = -76.9%
Formula
Percentage change = [(82 - 355) / 355] x 100
Subtract the new number by the original number
82 - 355 = -273
-273 ÷ 355 = -0.7690140845070422
-0.7690140845070422 x 100 = -76.9%