-81.82% is the change from 473 to 86
Calculation steps:
[( 86 - 473 ) ÷ 473] x 100 = -81.82%
Formula
Percentage change = [(86 - 473) / 473] x 100
Subtract the new number by the original number
86 - 473 = -387
-387 ÷ 473 = -0.8181818181818182
-0.8181818181818182 x 100 = -81.82%