-89.56% is the change from 431 to 45
Calculation steps:
[( 45 - 431 ) ÷ 431] x 100 = -89.56%
Formula
Percentage change = [(45 - 431) / 431] x 100
Subtract the new number by the original number
45 - 431 = -386
-386 ÷ 431 = -0.8955916473317865
-0.8955916473317865 x 100 = -89.56%