-17.15% is the change from 414 to 343
Calculation steps:
[( 343 - 414 ) ÷ 414] x 100 = -17.15%
Formula
Percentage change = [(343 - 414) / 414] x 100
Subtract the new number by the original number
343 - 414 = -71
-71 ÷ 414 = -0.17149758454106281
-0.17149758454106281 x 100 = -17.15%