-19.77% is the change from 430 to 345
Calculation steps:
[( 345 - 430 ) ÷ 430] x 100 = -19.77%
Formula
Percentage change = [(345 - 430) / 430] x 100
Subtract the new number by the original number
345 - 430 = -85
-85 ÷ 430 = -0.19767441860465115
-0.19767441860465115 x 100 = -19.77%