-51.41% is the change from 710 to 345
Calculation steps:
[( 345 - 710 ) ÷ 710] x 100 = -51.41%
Formula
Percentage change = [(345 - 710) / 710] x 100
Subtract the new number by the original number
345 - 710 = -365
-365 ÷ 710 = -0.5140845070422535
-0.5140845070422535 x 100 = -51.41%