97.4% is the change from 346 to 683
Calculation steps:
[( 683 - 346 ) ÷ 346] x 100 = 97.4%
Formula
Percentage change = [(683 - 346) / 346] x 100
Subtract the new number by the original number
683 - 346 = 337
337 ÷ 346 = 0.9739884393063584
0.9739884393063584 x 100 = 97.4%