98.83% is the change from 342 to 680
Calculation steps:
[( 680 - 342 ) ÷ 342] x 100 = 98.83%
Formula
Percentage change = [(680 - 342) / 342] x 100
Subtract the new number by the original number
680 - 342 = 338
338 ÷ 342 = 0.9883040935672515
0.9883040935672515 x 100 = 98.83%