-27.02% is the change from 470 to 343
Calculation steps:
[( 343 - 470 ) ÷ 470] x 100 = -27.02%
Formula
Percentage change = [(343 - 470) / 470] x 100
Subtract the new number by the original number
343 - 470 = -127
-127 ÷ 470 = -0.2702127659574468
-0.2702127659574468 x 100 = -27.02%