344.16% is the change from 77 to 342
Calculation steps:
[( 342 - 77 ) ÷ 77] x 100 = 344.16%
Formula
Percentage change = [(342 - 77) / 77] x 100
Subtract the new number by the original number
342 - 77 = 265
265 ÷ 77 = 3.4415584415584415
3.4415584415584415 x 100 = 344.16%