-91.89% is the change from 419 to 34
Calculation steps:
[( 34 - 419 ) ÷ 419] x 100 = -91.89%
Formula
Percentage change = [(34 - 419) / 419] x 100
Subtract the new number by the original number
34 - 419 = -385
-385 ÷ 419 = -0.918854415274463
-0.918854415274463 x 100 = -91.89%