100.29% is the change from 342 to 685
Calculation steps:
[( 685 - 342 ) ÷ 342] x 100 = 100.29%
Formula
Percentage change = [(685 - 342) / 342] x 100
Subtract the new number by the original number
685 - 342 = 343
343 ÷ 342 = 1.0029239766081872
1.0029239766081872 x 100 = 100.29%