122.38% is the change from 344 to 765
Calculation steps:
[( 765 - 344 ) ÷ 344] x 100 = 122.38%
Formula
Percentage change = [(765 - 344) / 344] x 100
Subtract the new number by the original number
765 - 344 = 421
421 ÷ 344 = 1.2238372093023255
1.2238372093023255 x 100 = 122.38%