-79.04% is the change from 477 to 100
Calculation steps:
[( 100 - 477 ) ÷ 477] x 100 = -79.04%
Formula
Percentage change = [(100 - 477) / 477] x 100
Subtract the new number by the original number
100 - 477 = -377
-377 ÷ 477 = -0.790356394129979
-0.790356394129979 x 100 = -79.04%