-60% is the change from 430 to 172
Calculation steps:
[( 172 - 430 ) ÷ 430] x 100 = -60%
Formula
Percentage change = [(172 - 430) / 430] x 100
Subtract the new number by the original number
172 - 430 = -258
-258 ÷ 430 = -0.6
-0.6 x 100 = -60%
Example