-33.17% is the change from 419 to 280
Calculation steps:
[( 280 - 419 ) ÷ 419] x 100 = -33.17%
Formula
Percentage change = [(280 - 419) / 419] x 100
Subtract the new number by the original number
280 - 419 = -139
-139 ÷ 419 = -0.3317422434367542
-0.3317422434367542 x 100 = -33.17%