97.97% is the change from 344 to 681
Calculation steps:
[( 681 - 344 ) ÷ 344] x 100 = 97.97%
Formula
Percentage change = [(681 - 344) / 344] x 100
Subtract the new number by the original number
681 - 344 = 337
337 ÷ 344 = 0.9796511627906976
0.9796511627906976 x 100 = 97.97%