156.56% is the change from 343 to 880
Calculation steps:
[( 880 - 343 ) ÷ 343] x 100 = 156.56%
Formula
Percentage change = [(880 - 343) / 343] x 100
Subtract the new number by the original number
880 - 343 = 537
537 ÷ 343 = 1.565597667638484
1.565597667638484 x 100 = 156.56%