-92.77% is the change from 429 to 31
Calculation steps:
[( 31 - 429 ) ÷ 429] x 100 = -92.77%
Formula
Percentage change = [(31 - 429) / 429] x 100
Subtract the new number by the original number
31 - 429 = -398
-398 ÷ 429 = -0.9277389277389277
-0.9277389277389277 x 100 = -92.77%