-33.65% is the change from 419 to 278
Calculation steps:
[( 278 - 419 ) ÷ 419] x 100 = -33.65%
Formula
Percentage change = [(278 - 419) / 419] x 100
Subtract the new number by the original number
278 - 419 = -141
-141 ÷ 419 = -0.33651551312649164
-0.33651551312649164 x 100 = -33.65%