-15.09% is the change from 477 to 405
Calculation steps:
[( 405 - 477 ) ÷ 477] x 100 = -15.09%
Formula
Percentage change = [(405 - 477) / 477] x 100
Subtract the new number by the original number
405 - 477 = -72
-72 ÷ 477 = -0.1509433962264151
-0.1509433962264151 x 100 = -15.09%