-52.8% is the change from 731 to 345
Calculation steps:
[( 345 - 731 ) ÷ 731] x 100 = -52.8%
Formula
Percentage change = [(345 - 731) / 731] x 100
Subtract the new number by the original number
345 - 731 = -386
-386 ÷ 731 = -0.5280437756497948
-0.5280437756497948 x 100 = -52.8%