-64.04% is the change from 495 to 178
Calculation steps:
[( 178 - 495 ) ÷ 495] x 100 = -64.04%
Formula
Percentage change = [(178 - 495) / 495] x 100
Subtract the new number by the original number
178 - 495 = -317
-317 ÷ 495 = -0.6404040404040404
-0.6404040404040404 x 100 = -64.04%