-21.48% is the change from 419 to 329
Calculation steps:
[( 329 - 419 ) ÷ 419] x 100 = -21.48%
Formula
Percentage change = [(329 - 419) / 419] x 100
Subtract the new number by the original number
329 - 419 = -90
-90 ÷ 419 = -0.21479713603818615
-0.21479713603818615 x 100 = -21.48%