-82.14% is the change from 476 to 85
Calculation steps:
[( 85 - 476 ) ÷ 476] x 100 = -82.14%
Formula
Percentage change = [(85 - 476) / 476] x 100
Subtract the new number by the original number
85 - 476 = -391
-391 ÷ 476 = -0.8214285714285714
-0.8214285714285714 x 100 = -82.14%