-17.82% is the change from 477 to 392
Calculation steps:
[( 392 - 477 ) ÷ 477] x 100 = -17.82%
Formula
Percentage change = [(392 - 477) / 477] x 100
Subtract the new number by the original number
392 - 477 = -85
-85 ÷ 477 = -0.17819706498951782
-0.17819706498951782 x 100 = -17.82%