-90.71% is the change from 495 to 46
Calculation steps:
[( 46 - 495 ) ÷ 495] x 100 = -90.71%
Formula
Percentage change = [(46 - 495) / 495] x 100
Subtract the new number by the original number
46 - 495 = -449
-449 ÷ 495 = -0.907070707070707
-0.907070707070707 x 100 = -90.71%