109.3% is the change from 344 to 720
Calculation steps:
[( 720 - 344 ) ÷ 344] x 100 = 109.3%
Formula
Percentage change = [(720 - 344) / 344] x 100
Subtract the new number by the original number
720 - 344 = 376
376 ÷ 344 = 1.0930232558139534
1.0930232558139534 x 100 = 109.3%