-80.5% is the change from 477 to 93
Calculation steps:
[( 93 - 477 ) ÷ 477] x 100 = -80.5%
Formula
Percentage change = [(93 - 477) / 477] x 100
Subtract the new number by the original number
93 - 477 = -384
-384 ÷ 477 = -0.8050314465408805
-0.8050314465408805 x 100 = -80.5%