77.26% is the change from 343 to 608
Calculation steps:
[( 608 - 343 ) ÷ 343] x 100 = 77.26%
Formula
Percentage change = [(608 - 343) / 343] x 100
Subtract the new number by the original number
608 - 343 = 265
265 ÷ 343 = 0.7725947521865889
0.7725947521865889 x 100 = 77.26%