-85.36% is the change from 485 to 71
Calculation steps:
[( 71 - 485 ) ÷ 485] x 100 = -85.36%
Formula
Percentage change = [(71 - 485) / 485] x 100
Subtract the new number by the original number
71 - 485 = -414
-414 ÷ 485 = -0.8536082474226804
-0.8536082474226804 x 100 = -85.36%