97.99% is the change from 349 to 691
Calculation steps:
[( 691 - 349 ) ÷ 349] x 100 = 97.99%
Formula
Percentage change = [(691 - 349) / 349] x 100
Subtract the new number by the original number
691 - 349 = 342
342 ÷ 349 = 0.9799426934097422
0.9799426934097422 x 100 = 97.99%