-78.99% is the change from 495 to 104
Calculation steps:
[( 104 - 495 ) ÷ 495] x 100 = -78.99%
Formula
Percentage change = [(104 - 495) / 495] x 100
Subtract the new number by the original number
104 - 495 = -391
-391 ÷ 495 = -0.7898989898989899
-0.7898989898989899 x 100 = -78.99%