34.23% is the change from 260 to 349
Calculation steps:
[( 349 - 260 ) ÷ 260] x 100 = 34.23%
Formula
Percentage change = [(349 - 260) / 260] x 100
Subtract the new number by the original number
349 - 260 = 89
89 ÷ 260 = 0.3423076923076923
0.3423076923076923 x 100 = 34.23%