-16.14% is the change from 477 to 400
Calculation steps:
[( 400 - 477 ) ÷ 477] x 100 = -16.14%
Formula
Percentage change = [(400 - 477) / 477] x 100
Subtract the new number by the original number
400 - 477 = -77
-77 ÷ 477 = -0.16142557651991615
-0.16142557651991615 x 100 = -16.14%