-87.44% is the change from 430 to 54
Calculation steps:
[( 54 - 430 ) ÷ 430] x 100 = -87.44%
Formula
Percentage change = [(54 - 430) / 430] x 100
Subtract the new number by the original number
54 - 430 = -376
-376 ÷ 430 = -0.8744186046511628
-0.8744186046511628 x 100 = -87.44%