-27.64% is the change from 474 to 343
Calculation steps:
[( 343 - 474 ) ÷ 474] x 100 = -27.64%
Formula
Percentage change = [(343 - 474) / 474] x 100
Subtract the new number by the original number
343 - 474 = -131
-131 ÷ 474 = -0.27637130801687765
-0.27637130801687765 x 100 = -27.64%