-18.82% is the change from 425 to 345
Calculation steps:
[( 345 - 425 ) ÷ 425] x 100 = -18.82%
Formula
Percentage change = [(345 - 425) / 425] x 100
Subtract the new number by the original number
345 - 425 = -80
-80 ÷ 425 = -0.18823529411764706
-0.18823529411764706 x 100 = -18.82%