-82.83% is the change from 495 to 85
Calculation steps:
[( 85 - 495 ) ÷ 495] x 100 = -82.83%
Formula
Percentage change = [(85 - 495) / 495] x 100
Subtract the new number by the original number
85 - 495 = -410
-410 ÷ 495 = -0.8282828282828283
-0.8282828282828283 x 100 = -82.83%