-84.01% is the change from 419 to 67
Calculation steps:
[( 67 - 419 ) ÷ 419] x 100 = -84.01%
Formula
Percentage change = [(67 - 419) / 419] x 100
Subtract the new number by the original number
67 - 419 = -352
-352 ÷ 419 = -0.8400954653937948
-0.8400954653937948 x 100 = -84.01%