-84.2% is the change from 424 to 67
Calculation steps:
[( 67 - 424 ) ÷ 424] x 100 = -84.2%
Formula
Percentage change = [(67 - 424) / 424] x 100
Subtract the new number by the original number
67 - 424 = -357
-357 ÷ 424 = -0.8419811320754716
-0.8419811320754716 x 100 = -84.2%