-92.12% is the change from 495 to 39
Calculation steps:
[( 39 - 495 ) ÷ 495] x 100 = -92.12%
Formula
Percentage change = [(39 - 495) / 495] x 100
Subtract the new number by the original number
39 - 495 = -456
-456 ÷ 495 = -0.9212121212121213
-0.9212121212121213 x 100 = -92.12%