-83.43% is the change from 495 to 82
Calculation steps:
[( 82 - 495 ) ÷ 495] x 100 = -83.43%
Formula
Percentage change = [(82 - 495) / 495] x 100
Subtract the new number by the original number
82 - 495 = -413
-413 ÷ 495 = -0.8343434343434344
-0.8343434343434344 x 100 = -83.43%