109.57% is the change from 345 to 723
Calculation steps:
[( 723 - 345 ) ÷ 345] x 100 = 109.57%
Formula
Percentage change = [(723 - 345) / 345] x 100
Subtract the new number by the original number
723 - 345 = 378
378 ÷ 345 = 1.0956521739130434
1.0956521739130434 x 100 = 109.57%