-93.22% is the change from 457 to 31
Calculation steps:
[( 31 - 457 ) ÷ 457] x 100 = -93.22%
Formula
Percentage change = [(31 - 457) / 457] x 100
Subtract the new number by the original number
31 - 457 = -426
-426 ÷ 457 = -0.9321663019693655
-0.9321663019693655 x 100 = -93.22%