-69.21% is the change from 419 to 129
Calculation steps:
[( 129 - 419 ) ÷ 419] x 100 = -69.21%
Formula
Percentage change = [(129 - 419) / 419] x 100
Subtract the new number by the original number
129 - 419 = -290
-290 ÷ 419 = -0.6921241050119332
-0.6921241050119332 x 100 = -69.21%