-28.09% is the change from 477 to 343
Calculation steps:
[( 343 - 477 ) ÷ 477] x 100 = -28.09%
Formula
Percentage change = [(343 - 477) / 477] x 100
Subtract the new number by the original number
343 - 477 = -134
-134 ÷ 477 = -0.2809224318658281
-0.2809224318658281 x 100 = -28.09%