908.82% is the change from 34 to 343
Calculation steps:
[( 343 - 34 ) ÷ 34] x 100 = 908.82%
Formula
Percentage change = [(343 - 34) / 34] x 100
Subtract the new number by the original number
343 - 34 = 309
309 ÷ 34 = 9.088235294117647
9.088235294117647 x 100 = 908.82%