-50.12% is the change from 419 to 209
Calculation steps:
[( 209 - 419 ) ÷ 419] x 100 = -50.12%
Formula
Percentage change = [(209 - 419) / 419] x 100
Subtract the new number by the original number
209 - 419 = -210
-210 ÷ 419 = -0.5011933174224343
-0.5011933174224343 x 100 = -50.12%