-30.7% is the change from 430 to 298
Calculation steps:
[( 298 - 430 ) ÷ 430] x 100 = -30.7%
Formula
Percentage change = [(298 - 430) / 430] x 100
Subtract the new number by the original number
298 - 430 = -132
-132 ÷ 430 = -0.30697674418604654
-0.30697674418604654 x 100 = -30.7%