-97.44% is the change from 430 to 11
Calculation steps:
[( 11 - 430 ) ÷ 430] x 100 = -97.44%
Formula
Percentage change = [(11 - 430) / 430] x 100
Subtract the new number by the original number
11 - 430 = -419
-419 ÷ 430 = -0.9744186046511628
-0.9744186046511628 x 100 = -97.44%