-92.6% is the change from 419 to 31
Calculation steps:
[( 31 - 419 ) ÷ 419] x 100 = -92.6%
Formula
Percentage change = [(31 - 419) / 419] x 100
Subtract the new number by the original number
31 - 419 = -388
-388 ÷ 419 = -0.9260143198090692
-0.9260143198090692 x 100 = -92.6%