-91.24% is the change from 354 to 31
Calculation steps:
[( 31 - 354 ) ÷ 354] x 100 = -91.24%
Formula
Percentage change = [(31 - 354) / 354] x 100
Subtract the new number by the original number
31 - 354 = -323
-323 ÷ 354 = -0.9124293785310734
-0.9124293785310734 x 100 = -91.24%