-82.44% is the change from 484 to 85
Calculation steps:
[( 85 - 484 ) ÷ 484] x 100 = -82.44%
Formula
Percentage change = [(85 - 484) / 484] x 100
Subtract the new number by the original number
85 - 484 = -399
-399 ÷ 484 = -0.8243801652892562
-0.8243801652892562 x 100 = -82.44%