-81.74% is the change from 471 to 86
Calculation steps:
[( 86 - 471 ) ÷ 471] x 100 = -81.74%
Formula
Percentage change = [(86 - 471) / 471] x 100
Subtract the new number by the original number
86 - 471 = -385
-385 ÷ 471 = -0.8174097664543525
-0.8174097664543525 x 100 = -81.74%