-83.25% is the change from 424 to 71
Calculation steps:
[( 71 - 424 ) ÷ 424] x 100 = -83.25%
Formula
Percentage change = [(71 - 424) / 424] x 100
Subtract the new number by the original number
71 - 424 = -353
-353 ÷ 424 = -0.8325471698113207
-0.8325471698113207 x 100 = -83.25%