-85.66% is the change from 495 to 71
Calculation steps:
[( 71 - 495 ) ÷ 495] x 100 = -85.66%
Formula
Percentage change = [(71 - 495) / 495] x 100
Subtract the new number by the original number
71 - 495 = -424
-424 ÷ 495 = -0.8565656565656565
-0.8565656565656565 x 100 = -85.66%