-28.57% is the change from 476 to 340
Calculation steps:
[( 340 - 476 ) ÷ 476] x 100 = -28.57%
Formula
Percentage change = [(340 - 476) / 476] x 100
Subtract the new number by the original number
340 - 476 = -136
-136 ÷ 476 = -0.2857142857142857
-0.2857142857142857 x 100 = -28.57%