-92.65% is the change from 422 to 31
Calculation steps:
[( 31 - 422 ) ÷ 422] x 100 = -92.65%
Formula
Percentage change = [(31 - 422) / 422] x 100
Subtract the new number by the original number
31 - 422 = -391
-391 ÷ 422 = -0.9265402843601895
-0.9265402843601895 x 100 = -92.65%