77.49% is the change from 342 to 607
Calculation steps:
[( 607 - 342 ) ÷ 342] x 100 = 77.49%
Formula
Percentage change = [(607 - 342) / 342] x 100
Subtract the new number by the original number
607 - 342 = 265
265 ÷ 342 = 0.7748538011695907
0.7748538011695907 x 100 = 77.49%