-97.45% is the change from 431 to 11
Calculation steps:
[( 11 - 431 ) ÷ 431] x 100 = -97.45%
Formula
Percentage change = [(11 - 431) / 431] x 100
Subtract the new number by the original number
11 - 431 = -420
-420 ÷ 431 = -0.974477958236659
-0.974477958236659 x 100 = -97.45%