-22.91% is the change from 419 to 323
Calculation steps:
[( 323 - 419 ) ÷ 419] x 100 = -22.91%
Formula
Percentage change = [(323 - 419) / 419] x 100
Subtract the new number by the original number
323 - 419 = -96
-96 ÷ 419 = -0.22911694510739858
-0.22911694510739858 x 100 = -22.91%