-18.14% is the change from 419 to 343
Calculation steps:
[( 343 - 419 ) ÷ 419] x 100 = -18.14%
Formula
Percentage change = [(343 - 419) / 419] x 100
Subtract the new number by the original number
343 - 419 = -76
-76 ÷ 419 = -0.18138424821002386
-0.18138424821002386 x 100 = -18.14%