-92.11% is the change from 431 to 34
Calculation steps:
[( 34 - 431 ) ÷ 431] x 100 = -92.11%
Formula
Percentage change = [(34 - 431) / 431] x 100
Subtract the new number by the original number
34 - 431 = -397
-397 ÷ 431 = -0.9211136890951276
-0.9211136890951276 x 100 = -92.11%