-48.28% is the change from 667 to 345
Calculation steps:
[( 345 - 667 ) ÷ 667] x 100 = -48.28%
Formula
Percentage change = [(345 - 667) / 667] x 100
Subtract the new number by the original number
345 - 667 = -322
-322 ÷ 667 = -0.4827586206896552
-0.4827586206896552 x 100 = -48.28%