-88.26% is the change from 477 to 56
Calculation steps:
[( 56 - 477 ) ÷ 477] x 100 = -88.26%
Formula
Percentage change = [(56 - 477) / 477] x 100
Subtract the new number by the original number
56 - 477 = -421
-421 ÷ 477 = -0.8825995807127882
-0.8825995807127882 x 100 = -88.26%