-28.33% is the change from 600 to 430
Calculation steps:
[( 430 - 600 ) ÷ 600] x 100 = -28.33%
Formula
Percentage change = [(430 - 600) / 600] x 100
Subtract the new number by the original number
430 - 600 = -170
-170 ÷ 600 = -0.2833333333333333
-0.2833333333333333 x 100 = -28.33%