155.81% is the change from 344 to 880
Calculation steps:
[( 880 - 344 ) ÷ 344] x 100 = 155.81%
Formula
Percentage change = [(880 - 344) / 344] x 100
Subtract the new number by the original number
880 - 344 = 536
536 ÷ 344 = 1.558139534883721
1.558139534883721 x 100 = 155.81%