-80.54% is the change from 478 to 93
Calculation steps:
[( 93 - 478 ) ÷ 478] x 100 = -80.54%
Formula
Percentage change = [(93 - 478) / 478] x 100
Subtract the new number by the original number
93 - 478 = -385
-385 ÷ 478 = -0.805439330543933
-0.805439330543933 x 100 = -80.54%