-89.53% is the change from 430 to 45
Calculation steps:
[( 45 - 430 ) ÷ 430] x 100 = -89.53%
Formula
Percentage change = [(45 - 430) / 430] x 100
Subtract the new number by the original number
45 - 430 = -385
-385 ÷ 430 = -0.8953488372093024
-0.8953488372093024 x 100 = -89.53%