-84.04% is the change from 495 to 79
Calculation steps:
[( 79 - 495 ) ÷ 495] x 100 = -84.04%
Formula
Percentage change = [(79 - 495) / 495] x 100
Subtract the new number by the original number
79 - 495 = -416
-416 ÷ 495 = -0.8404040404040404
-0.8404040404040404 x 100 = -84.04%