110.2% is the change from 343 to 721
Calculation steps:
[( 721 - 343 ) ÷ 343] x 100 = 110.2%
Formula
Percentage change = [(721 - 343) / 343] x 100
Subtract the new number by the original number
721 - 343 = 378
378 ÷ 343 = 1.1020408163265305
1.1020408163265305 x 100 = 110.2%