-27.88% is the change from 477 to 344
Calculation steps:
[( 344 - 477 ) ÷ 477] x 100 = -27.88%
Formula
Percentage change = [(344 - 477) / 477] x 100
Subtract the new number by the original number
344 - 477 = -133
-133 ÷ 477 = -0.27882599580712786
-0.27882599580712786 x 100 = -27.88%