-80.58% is the change from 479 to 93
Calculation steps:
[( 93 - 479 ) ÷ 479] x 100 = -80.58%
Formula
Percentage change = [(93 - 479) / 479] x 100
Subtract the new number by the original number
93 - 479 = -386
-386 ÷ 479 = -0.8058455114822547
-0.8058455114822547 x 100 = -80.58%